(Originally posted 9/25/2017 on Read With The Gringa)
A fun instructional book about plant science.
Plants do strange things!
(Originally posted 9/25/2017 on Read With The Gringa)
A fun instructional book about plant science.
Plants do strange things!
Water is at the heart of climate change. As the world continues to transform, water, in one way or another, is significantly related to the resulting effects. For example, water levels of our oceans and seas are expected to rise. Water contained in massive rainfall in the major storm systems that rage, fed by the cyclical effects of climate change’s higher temperatures that increase evaporation of water resources. And then there are the regions that will become deserts, lacking water entirely. How will these areas feed their populations? Will they have to be abandoned altogether? Thanks to some Star Wars inspiration, nope.
Remember how the people who live on Tatooine used “vaporators” to irrigate their desert farms? Guess what? That technology, imagined in the 70’s, is real in the here-and-now of 2017. Yep, the technology has been developed to literally make water appear out of thin air. Like magic!
Even the most arid desert has some humidity within its immediate atmosphere. The trick is in trapping and condensing those tiny particles of humidity. Today’s “vaporators” work on the same principle that takes place when droplets of water start sliding down your glass of iced tea.
That cold drink is cooling down the immediate atmosphere around the glass. When that happens, humidity within that tiny area is no longer trapped within the warmer air. It is free to attach itself to the surface of your glass. That’s also how rain is formed. So, in a sense, the “vaporators” of Star Wars are actually air conditioners, cooling the hot, desert air so water droplets form.
But it would seem like it would take an awful lot to produce enough water to be helpful. Is this technology even practical? Well, let’s take a look at what Chilean & Peruvian farmers are doing, who farm in the dry, arid regions of the high Andes. They have a steel mesh contraption, kind of like a net. Covered in a special coating to attract the molecules of water within the air, they basically harvest fog.
Is fog-catching making a difference? A single fog-catcher, about one-meter square, produces about 5 litres of water daily. An improved design hopes to up water collection to about a dozen litres daily. Either way, the technology being used has meant the difference between harvest success over crop failure for the artichokes, avocados and grapes commonly grown.
Even greater than creating water out of thin air, the technology is sustainable, portable and powered by nature. So don’t be surprised if the next big thing in agricultural areas are rows of tiny billboard looking thing-a-ma-jigs. But since you read with the Gringa, you’ll just shrug and say, “Hey, look. It’s a fog farm!”
Image Source: Design We Need
Video Source: Makeshift
If you are an eco-aware individual, you know that mankind has wreaked all kinds of havoc on this Earth. From climate change to endangered species, the impact of humanity has been, for the most part, not a good thing at all. We all have to admit that we have failed as a species in our management duties.
One might think that a hard-core environmentalist might be an advocate for getting back to basics and living an old-fashioned homesteading lifestyle. Or, perhaps modeling a lifestyle after indigenous people who live in harmony with the nature that surrounds them. Technology and green living don’t seem at all synonymous. But what if we turn the tables on the path humanity has been traveling. What if mankind becomes committed to using technology to save the planet. Can such a strategy work?
Let’s take a look at the example of declining bee populations. The world of drones is offering as a solution replacing bees rather than saving them. They propose to create micro-drones that will become the AI pollinators of the future. Considering that the US lost 44% of its honeybee colonies in 2016, the agriculture industry is ready to embrace this idea. Many wild bee species are teetering on the edge of extinction. But is replacing them with robots a better solution than fostering a comeback of the real deal?
Many farmers think that we have no time to ponder the consequences. They are watching what they believe to be a doomsday scenario unfolding as we speak, er, read. Scientist and researcher, Eijiro Miyako, of the National Institute of Advanced Industrial Science and Technology in Japan is poised to become the savior of agriculture. This may be the messiah grateful families offer thanks to as they gather round future dinners tables filled with an abundance of fresh fruits and vegetables, maybe.
At the heart of his invention is a unique gel used in the electro-chemical industry. This ion based gel has long-lasting adhesion that is water-resistant, making it the perfect carrier for pollination duty. After various tests to determine that the gel is safe for use, being exposed to plants, insects and animals, it was time to build a vehicle model.
Miyako’s final design is a tiny, bee-sized drone with four-propellers. Miyako customized it with some horse hair because, after all, bees are fuzzy, too, right? The hair delivers an electrical charge that helps the grains of pollen remain attached.
Next came the big experiment… pollinating some plants. After buzzing a few plants, researchers used a special fluorescent microscope. When the scientists observed the tell-tale glow of pollen in test tubes, they knew they had achieved fertilization success with their pollinating robot.
Now, humans have been self-pollinating plants for some time. But it is incredibly labor intensive and time-consuming. If we become a world without bees, it would be impossible to hand-pollinate enough crops to feed all of humanity. The difference between human pollinators and real bee pollinators is a single person pollinating about 7 trees a day or a 2 million bee colony pollinating 1 million acres of trees. Big difference, huh?
But a pollinating drone is not a one-size-fits all solution. In the real world, there are different bee species for a reason. Each has their own specialty. Bumble bees are great tomato pollinators and leafcutter bees are preferred to pollinate alfalfa crops. On a side note, humans can learn a lesson here about the value of diversity! But, I digress.
And pollinating crops is not the only use being considered by the micro-drones. Instead of embarking on the complexities of replacing bees, which could end up creating a whole other set of environmental problems, an entomologist from the University of Minnesota, Marla Spivak, offers up a novel suggestion. She thinks attempting to create armies of drones of different designs to ultimately replace extinct bee species is too complicated and will take too much time, a solution that may arrive too late in the end, so of no use to save a starving world. Instead, she suggests using drones to perform a necessary job that is currently fraught with risk for bees, delivering pesticides and fertilizers to crops.
Instead of applying these chemicals in a broad spray that affects any insect present, not just bees, use drones for precision application. This can also protect surrounding human and animal populations by reducing vapor drift and runoff that contaminates groundwater resources.
The gringa prefers Spivak’s approach. I don’t think we should just give up on bees. They are here for a reason. And everytime mankind gets too big for his britches, thinking he doesn’t need something as lowly as a bee, it always leads to trouble. We simply must get over ourselves. We are all in this together, even the bees! We all need each other even if we don’t understand the role and contribution each cog in the wheel makes.
Regardless of which duty Miyako’s drones fulfill in the future, farmers will still be using them. And that means a critical job of the future lies in the drone industry. Whether someone is in on the manufacturing aspect or is a micro-drone pilot, young students of today who invest their time and efforts in drone technology will be setting themselves up for a future career that is not only lucrative, but might just help to save the world. And that’s the greatest kind of job to have.
Image Credit: Dr. Eijiro Miyako
Video Credit: Science Magazine
Where the gringa lives in the gulf coast of Texas, oyster farming is big business. The gringa’s farming experience is limited to my father’s cattle ranch and my own egg farming. Is that how oyster farming works? Do you just leave the little guys alone most of the time to do what oysters do? Toss them a bit of feed, protect them from predators, stuff like that? Well, actually oyster farming has gone hi-tech. For young people who are interested in a beach bum lifestyle with the edge of technology, oyster farming or working with the technology related to the industry may be your thing if you love science as much as beach bumming.
Oysters don’t need their human overseers to bring them a bale of hay or toss out some nutrient enriched scratch. They are living filters that live on the bottom of a bay. Oyster farmers really don’t have that much to do, it would seem, unless it is harvest time. Sounds like the perfect beach bum job.
However, there is one thing that can happen that can interrupt an oyster farmer’s hiatus between harvests. If storm clouds gather, oyster farmers have to get out of their hammocks, put away the surfboard and forego the margaritas and head out for some serious relocating work in the estuaries.
You see, as bottom feeding filters, rain in this polluted day and age can be deadly for oysters. And even if contaminants in run off don’t kill the slimy, little buggers they could, in turn, kill a human if eaten. A local thunderstorm with a heavy downpour means one of two things:
Now, even if an oyster farmer was willing to relocate their oysters, often weather conditions can change rapidly and unexpectedly in coastal regions. Usually an oyster farmer simply doesn’t have enough time to respond. So, the oysters bide the storm and everyone hopes for the best. But considering how heavily polluted most of the soil is in populated areas around the world, it’s usually not good news when it’s all over.
The gringa doesn’t have the numbers for industry loss or farm closures in the Gulf of Mexico area I call home. However, I can tell you about what’s been going on in Tasmania. Since 2013 industry research has recorded a loss of over $4.3 million (Australian currency!) for Tasmanian oyster farmers due to contamination related farm closures, caused by pollutants in rainfall water runoff that entered estuaries. This sounds awful, right? Well, take heart, dear readers. There is good news for Tasmanians as well as oyster farmers everywhere thanks to an agriculture technology start-up company, The Yield.
The Yield has designed a system of sensors that were tested in 14 Tasmanian oyster farm estuaries. This comprised about 80% of the entire oyster industry for the state. The technology measured:
Oyster farmers use their smartphone, or other device, to access the handy little app that is updated every five minutes with new data about their squishy, little, hard-shelled babies. Access is also available to food safety regulators so everybody that matters is in the loop.
But the gringa wants to know if this has made oyster farming better. I mean, it’s always fun to have new gadgets but where business is concerned, is there a point to the expense? Here are the benefits of this new technology:
Well, it looks like this technology is worth the investment for oyster farmers. It also looks like the investment of time and effort of scientists and meteorologists for more than a century was also a worthy investment. That is the backbone of the information that went into designing this system. If you have a habit or hobby of recording weather related “stuff”, who knows, one day what you may consider a hobby or pre-occupation could change the world! More than a hundred years worth of weather and tidal related data helped developers understand weather and tidal patterns, how they changed with the seasons, and how this would affect the performance of the technology to predict weather events. So, basically, Tasmania’s oyster farmers are more successful because of digital fortunetellers.
Image Credit: oysterstasmania.org
Although Olympic focus has been trained on Rio, the gringa would like to take the dear reader back in time and to the other side of the globe to the 2008 Beijing Olympics. When China was preparing to host this historical event, pollution was high on the list of problems to solve. Although everyone is probably familiar with the tactic of temporary bans on driving & factory operations as drastic measures to help reduce smog. What many may not be aware of is China’s ambitious plans to control the weather, a $30 million dollar plan that they are still working on today. A plan to shoot into the heavens special “bullets” filled with salt and other minerals. What in the world are those crazy Chinese scientists up to? Apparently, nothing new! They’re just trying to make it rain.
Officially called “weather modification”, China helped clear their smog-filled skies during the Olympic games by making it rain, rain, rain. They are not alone in being rainmakers. Fifty-two other countries have developed their own rainmaking strategies. Ten of these countries joining the rainmaking team only five years ago. Rainmaking countries include: Canada, United States, Mexico, Cuba, Brazil, Chile, Argentina, Australia, India, Senegal, South Africa, Russia and the list goes on. You can see the map created by the World Meteorological Organization to see who all is in on the rainmaking game.
The gringa is rather ashamed to admit that as for the United States, the origins of its weather modification program is not as noble as China’s. For the U.S., it all started with Operation Popeye which was a top secret program that weaponized weather during the Vietnam War. Although I’m sure the scientists who worked for General Electric had noble intentions, they probably had no idea that the U.S. government was going to take their technology and rain down silver iodide on the poor Vietnamese people.
But I digress. Back to China. In addition to creating rain to saturate polluted air and get rid of smog, they also wanted to prevent rain from spoiling events taking place in the stadium that was dubbed the “Bird’s Nest”. To achieve this amazing god-like feat, the Chinese implemented a 3 stage weather modification strategy:
Now was all of this really necessary? The Beijing Olympics were held in August which is a high precipitation season for China so, yes, the gringa supposes that it was necessary. Consequently, China’s success in being a master rainmaker or rainstaller has resulted in China being the world leader in the weather modification sciences. They have more than 1,500 professionals devoted to all things necessary in controlling the weather: scientists, pilots, flight crews. Also proudly serving in the program are tens of thousands of peasant farmers who are more than happy to help their government blast away a cloud when crops have been inundated or have clouds seeded during times of drought. Peasants are on call to operate more than 7,000 aircraft guns and almost 5,000 rocket launchers when called to report to rainmaking duty.
The gringa is not too sure what to make of all this. For the most part I am the type to believe that the less we interfere with nature, the better. However, considering how bad mankind has screwed things up where climate change is concerned, it may just be that Mother Nature could use a few rainmakers. So, I say to the Chinese:
Let it rain. Let it rain. Let it rain.
Image Credit: cloudfront.net
Common sense might tell you that technology and nature are mutually exclusive. However, the reality is that with climate change poised to revolutionize where humans farm, technology innovators are poised to revolutionize how we farm. And there are all kinds of ideas out there that are as fascinating as they are practical.
Aquaponics is something the gringa would like to try. I have a small tropical fish aquarium I have experimented with over the past year. I feel ready for a greater challenge. This method will not only provide me with vegetables, but they will be fertilized by the poop produced by the food fish I will also farm in the same tank. An added plus is that my pint sized vegetable patch and fish farm can be an interesting decorative addition to my pint size apartment. This may be the future of urban farming for apartment dwellers.
Easy DIY aquaponics project:
5 best fish for an aquaponics aquarium garden…
If you want to take your urban farming further than an apartment patio garden or indoor aquaponics garden, maybe the FarmBot is for you. If you live in a house with outdoor spaces, the FarmBot, which operates on a track system, can easily manage a backyard farm from beginning to end and provide enough fresh fruits and vegetables for a family of four each growing season. It plants seeds, waters and fertilizes each plant according to its variety needs, weeds the garden, and can be controlled from your smartphone or laptop just like playing a video game. The gringa thinks this sounds fun.
For larger scale operations, artificial intelligence is taking over all sorts of chores that were once managed by humans. By using cameras and sensors, technology responds to climate conditions to optimize water usage. There is more to collected data than just evaluating rainfall and soil moisture levels. Plants are analyzed down to individual leaves for health and nutrition needs. Clouds are analyzed to predict potential rainfall which might result in delaying a watering activity that might otherwise have been performed, thus conserving one of Earth’s most precious natural resources. For farmers and gardeners interested in the latest sustainable methods. Some of the biggest retailers of agricultural products are being supplied by growers using this kind of technology: Wal Mart, Aldi and Tesco.
A promising future in agriculture awaits our youth who are interested in robotics, technology and saving the world.
Image Credit: pinimg.com
If a petrified cauliflower garden was discovered on Mars would that indicate that ancient Martians were vegetable farmers? Again, images transmitted by Mars rover Spirit have ancient alien conspiracy theorists reveling in the possibility. Unfortunately, unless ancient Martians enjoyed a crisp, tasty salad of silica, no, they were not vegetable farmers.
Near what NASA has dubbed “Home Plate”, Spirit took some pictures of interesting mineral formations that looked like cauliflower. Now, just because something looks like something doesn’t mean that it is that something. Think of all the little fishies in the sea that believe they are about to snag a little morsel for dinner only to realize, much too late, it was actually a bio-lure attached to the head of a deep sea angler fish who is about to be enjoying some dinner of his own. See, although that glowing tidbit looked like food, it was actually a dangerous decoy and not at all what it seemed. So, no, the gringa does not believe that these cauliflower looking formations are actually petrified cauliflower. But, still, is there any exciting news attached to their existence?
According to researchers from Arizona State University, although the mineral formations are no indicator of ancient Martian farmers, they could still very well have been created by alien life. Just not the kind of alien life that walks about, flies in spaceships and probes your brain. We are talking about microscopic alien life in the form of microbes. Which, I guess, technically speaking, under the right conditions could get inside a human brain for a “brain probe”, technically speaking, of course.
Now these silica protrusions were first reported to Earthlings by Spirit in 2008. Why has it taken eight years for the media to find something interesting? Well, science takes its own sweet time in research and drawing the right conclusions. Part of this research involves studying similar mineral formations here on Earth to get some local answers. One place to do that is in the high altitude Andean Atacama Desert of Chile which has some shapes that look like a mirror image of what was found on Mars. Could the microbes that created the Martian formations have traveled to Earth and duplicated their work here? Is that a sign of a cosmic connection between our two planets or is it common for microbes to create silica based cauliflower everywhere? Are conditions simply present in lots of places remote from one another for this to happen?
Scientists Steven Ruff and Jack Farmer, who penned an article published by Smithsonian Magazine, believe that the Martian petrified cauliflower may be proof that at one time, way back when, Mars was teeming with the kind of life commonly found in the vicinity of geysers, even living within the geysers themselves. After their investigation of Chile’s cauliflower, the work of artistic microbes who have a penchant for sculptures resembling vegetables, they linked the microbes responsible to some ancient microbes found in New Zealand that were definitely from out of this world. More silica cauliflower cousins have also been found in Wyoming’s Yellowstone National Park.
So maybe, just maybe, some space traveling microbes made their way here from Mars aeons ago. And the message they have left behind to get our attention are rock formations that look like cauliflower. Does that sound crazy or what? How would ancient microscopic Martians have ever known humans would ever develop the habit of even eating cauliflower and decide that would be their key way of making first contact or leaving behind a letter of introduction? The gringa appreciates the zeal of scientists but methinks this is all just an accident. Mars probably got slammed by an enormous asteroid, comet or meteor which sent chunks of Mars shooting out into space and one of these chunks happened to make its way to Earth and, bing, bang, boom, a kazillion years later we have cauliflower rocks just like Mars.
If that’s the case, there’s no telling what other bits of Mars may have made their way here and be right under our very noses. It makes rock collecting take on a whole new meaning. That little bit of quartz or gypsum you collect and stuff in a cubby hole or box today may prove to be of galactic origins tomorrow.
More interesting to the gringa than the thought of beings similar to us living on Mars long ago is the implication of space scraps making their way hither and yon from the vast reaches of space to finally land upon Earth. Who knows?! Maybe NOTHING organic on Earth actually originated here. Maybe our planet is a virtual junkyard of the Universe, with little bits from here and there surviving and growing up into what we have today. Hey, stranger things have happened!
Image source: www.americaspace.com
There are many different reasons to be interested in the science of climate change. Maybe you are a lover of nature, like the gringa. Maybe you are a doomsday prepper, anticipating worldwide failures of critical natural resources necessary for humanity’s survival. Perhaps you are a problem solver, interested in creating solutions to help us all survive. Or you could be an author of science fiction and fantasy and the realities of climate change provide a plethora of creative resources. Whatever the reason, then you will find the possibility of life in a bio-sphere bubble interesting to ponder.
Tucson, Arizona was recently host to an environmental event sponsored by One Young World, a group of leaders in innovative climate change survival solutions, particularly Biosphere 2 (Earth is #1). The event featured experts in science, international diplomacy, political science and commercial industry who are all interested in humanity’s need for sustainable sources for food and energy. The speakers whom event attendees were, perhaps, most interested in were probably the former astronaut and individuals who have been living in Biosphere 2.
If a person was to take a tour of Biosphere 2, you might be expecting a sterile, technical, enclosed life support environment like the International Space Station. However, you will probably be pleasantly surprised to find a faux ocean the size of an Olympic swimming pool surrounded by a bamboo forest. As you continue exploration, you will stumble across a desert recreation complete with species of ants and cockroaches.
The Biosphere idea was birthed more than two decades ago. In 1991 the dream was realized when eight individuals, four women and four men, donned their uniforms and entered the three acre terrarium smack dab in the middle of an Arizona desert where they would live confined for twenty-four months.
The habitat was constructed thanks to the generosity of a wealthy Texan who wants a place of safe retreat when the Apocalypse crashes down around our ears. He shelled out about $150 mill to recreate miniaturized versions of South America’s rainforest, the African Savannah, and a single ocean. The Biosphereans worked for two years to determine if this earthly microcosm would interconnect, survive and become a self-sustaining world producing oxygen and food.
Beneath the multiple geodesic domes of steel, glass and plastic transplanted nature began to fail the moments the doors were sealed. Precious oxygen was leaking and making its escape to the outside world. Despite the threat of suffocation, the Biosphereans soldiered on. They planted crops near the ocean. A sophisticated underground bellows system created wind. But small crops of oxygen producing plants and man-made breeze were not enough to make the habitat a survivable, much less pleasant, environment. For the sake of science the Biosphereans persevered through two years of oxygen deprivation yet finally called it quits when survival was only possible by pumping in outside-sourced oxygen.
But was this experiment really a failure? Of course not. It was a very valuable learning experience. Think of all the research that was accomplished on learning how vegetation, geography, water and air movement, and fresh water sources can all be successfully recreated and the knowledge of certain mistakes not to repeat in the process.
The Biosphere 2 is not a total physical loss either. The University of Arizona will continue studies on how to succeed in a biosphere lifestyle. Part of the property will be open to the public and re-christened “Land Evolution Observatory”. The university will launch a project that, over the span of a decade, will attempt to perfect the methods the Biosphereans began. The gringa considers these self-sacrificing and brave Biosphereans to be the pioneers of the Millennia.
The Biosphere story also has a romantic twist. The gringa, madly in love with her caveman, loves a good romance and is happy to learn that two of the individuals fell in love during their confinement together and married as soon as they had regained their freedom to the outside world. The couple, speaking to the Tucson audience, explained how profound their sense of inter-connectedness to their environment became. Daily they tracked carbon and oxygen levels, strongly aware that their survival depended on the right balance. They felt aware, moment by moment, of each breath they took and each CO2 exhalation they made. The reality of the co-dependence the humans, plants, animals and insects all had with one another was always at the forefront of their mind.
When former astronaut Ron Garan addressed the audience, he discussed his six month stint enclosed in the self-sustained environment of the International Space Station. It was a profound experience that increased his environmental awareness and how tiny, fragile and singular our Earth is. His individual life perspective was completely changed as he worked beside the two Russian cosmonauts he shared duties with. Upon his return to Earth, he dedicated himself to collaboration with projects that will promote the survival of humans and the planet we call home. The only planet, mind you, that we have.
He recounted one of his most poignant experiences. It was the moment he returned to Earth. He peeked out the window of the capsule, saw a landscape of rocks, flowers and grass. His immediate mental and emotional response was, “I’m home” despite the fact that this American was actually in Kazakhstan. Once you’ve been off world, any square inch at any spot on the globe is home, regardless of politics, religion, nationality or ethnicity. The gringa finds this philosophy beautiful and inspirational. And I hope that we all figure it out together, how to save our home.
Source & Image Credit: www.newsweek.com
Ever since the gringa was a little girl, she has loved fairy tales. Stories of magic and elves rate right alongside stories of spaceships and far-and-away star colonies. Of course, whenever the gringa imagined the fairyland setting of a wooded glen with magical sprites and naughty gnomes, the picture in my mind was of emerald green meadows filled with colorful flowers and dark forests with friendly woodland animals. A picturesque image to be found in places like Ireland or jolly aulde England. Never in a kazillion years would the gringa have linked fairy tales with southern Africa or western Australia. Now scientists have gone and turned my childhood fantasy world upside down.
You see, fairy rings have always been a standard feature in tales of deep magic in old forests:
Even unwritten works, like folklore, preceded great literature with tales of fairy rings:
The gringa loves the old tales and fantasies of midnight revelries rising up to the surface of the earth as the magical middle Earth creatures enjoy the moonlight and starlight while humans sleep. I am sorely disappointed that scientists had to go and destroy this little piece of illogical, creative, mental space in my mind by announcing they have solved the mystery of fairy rings. And they even went and renamed the phenomena, calling them “fairy circles”. I suppose scientists prefer a geometric term to a more poetic counterpart. Doggone them all.
South of Angola toward South Africa’s Northwestern Cape province is a vast, barren region of land that is mostly uninhabited. It is dotted with reddish and golden earth circles within the grassland. The fairy circles vary in size from about 7 feet in diameter to almost 50 feet in diameter. This strange geographical feature has been romanticized in literature and local myths. The bushmen of this area claim the fairy circles belong to divine gods and possess magical powers. Some say they are the footprints of the gods themselves.
Recently, these same types of circles were discovered in Australia’s Pilbara region. Much to the gringa’s dismay, the mystery has now been solved. This year an environmental research group published their official findings of what exactly causes fairy circles. However, if the gringa so chooses, she could put her own spin on their determinations. A fairy circle would no longer be the work of fairies, elves and sprites, but of the living forest itself.
What scientists have concluded is that the fairy circles are definitely not the work of termites or ants. It is more probable that they are the work of plants organizing themselves in certain patterns as they compete for scarce water resources. The gringa sees literary and poetic potential in this theory.
Imagine, if you will, councils of shrubs, trees and flowers getting together and discussing just how much water they need to survive. Envision them arguing their case for who needs shade and who has a root system that is just robbing the entire community and being selfish. I can hear the sound of a gavel-shaped root coming down on the top of a flat stone, a centuries-old tree declaring, “Hear, hear. It has been determined that the crocuses will relocate to the shade of the old growth elms tree line and the blackberry bushes will separate their thorny selves from the fern bed, moving eastward toward the river.”
Although such a tale lacks the mischievous fun of fairies and nymphs, it would still contain delightful magical potential. So, all is not bad news.
Source: www.mic.com & Wikipedia
Is there a way to stem the tide of sea level rise due to climate change? I mean, if we can’t build a seawall around the coast of every continent and island, what other option is there other than an eventual mass human migration inland? Well, NASA thinks there very well may be a solution.
The Earth may be saving herself. Climate change researchers have been collecting data from NASA satellites to determine where all this extra liquid water from melted ice sheets and glaciers is ending up. It seems the Earth has absorbed over three trillion tons of water (that’s about the equivalent of what’s in Lake Huron) that are replenishing depleted lakes and underground aquifers. Now, this is great news but not a permanent fix. Researchers estimate this temporary band-aid will slow sea level rise by about twenty percent. Earth is buying us Earthlings some more time to get our you-know-what together and fix this mess we have created.
So, how does this “band-aid” work? The Earth’s regular water budget is provided by annual amounts of water evaporated from the oceans. This becomes precipitation that returns to the Earth through rainfall or snow. It then recycles back into the oceans as runoff or through rivers. As mankind’s use of groundwater has dramatically increased, the Earth has become quite thirsty as reservoirs are depleted. It has become a sponge, compensating for this unprecedented loss by absorbing what is melting from ice sheets and glaciers. This has served to curb rising sea levels despite the fact that glaciers and ice sheets continue to melt.
Now scientists are scrambling to recalculate future models and adjust previous projections of sea level rise as a result of the Earth’s warming oceans. So, although sea levels are still expected to rise, Earthlings have a little bit more time to solve the problems that will cause. But, once the Earth has slated her thirst, all that meltwater will then become a problem.
NASA is using a twin satellite system, GRACE (Gravity Recovery and Climate Experiment), to measure how much water is being stored within the Earth. Since scuba divers can’t delve into these underground reservoirs, just what kind of digital dipstick is being used? The satellites use gravity to measure liquid. The gringa scratches her head and says, “Um, what? A gravity yardstick? How does that work?”
As the twin satellites orbit the Earth, they measure the distance between themselves. Their measurements are so accurate and precise, they can get as close as a strand of human hair. Amazing! But, I digress. GRACE then transmits the data to Earthling researchers who use the information to measure any gravitational change in the Earth that is the result of any change Earth’s water distribution.
By using this method, scientists have measured how much water has been stored within Earth’s continents as a result of ice sheet and glacier melt. This is the first study of its kind. And, according to NASA’s mission to use technology to safeguard the future of Earth and the lives of Earthlings, the agency has shared this knowledge with other scientific communities around the world.
And GRACE is proving her mettle in other areas of climate change data as well. The satellites are tracking circulation and current patterns within the Atlantic Ocean. The typical current pattern of the Gulf Stream carries warm, tropical water northward to Greenland. By the time it arrives at its northern destination, the water has cooled significantly. Colder water is denser so the water that originated from the tropics, and was riding at the surface. has sunk as deep as two miles within the ocean by the time it gets to Greenland. The colder, heavier, bottom water is then dragged back South.
In this way the waters of the Atlantic Ocean are consistently agitated, cooled, oxygenated and nutritionally refreshed. Oceanographers call this pattern the Atlantic Meridional Overturning Circulation (AMOC). However, the gringa prefers the common name, the “Conveyor Belt” of the Atlantic.
The Atlantic’s “Conveyor Belt” effect is like an air conditioner for the world’s oceans. It is critical to modulating the temperature of the Earth. Data collected from GRACE has revealed that the “Conveyor Belt” is slowing down. Researchers are uncertain if this is directly caused by climate change or if other factors are at play.
GRACE is going to help answer these questions. One way is by measuring gravity data from the bottom of the Atlantic Ocean. Changes in the ocean’s currents will result in pressure changes that GRACE can detect with gravitational measurements.
And GRACE is also contributing to the development of practical solutions that can be implemented right now, helping the people of Brazil. 2015 was the worst year in over three decades for drought in Brazil.
Hydrologists were able to use data collected from GRACE to calculate that in a three year period Brazil lost about fifteen trillion gallons of water each year. Water levels of aquifers and rivers were also analyzed.
Brazil is heavily dependent on the country’s rivers to provide water for their people, electricity production and for critical agriculture. The data provided by GRACE enables the Brazilian government to create models that will simulate future expected droughts. This makes it possible for the nation to plan effectively, monitor their water resources responsibly and continue to provide for the water needs of over 200 million Brazilians.
And those are just some of the facts about “Amazing GRACE”.
Image Source: www.nasa.gov