Read With The Gringa “The Dwarf” Part 1


Join the gringa in a read along of part of the Chapter 3 of “Prince Caspian”, Book 4 of “The Chronicles of Narnia” by C.S. Lewis. The children perform a daring rescue!

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Read With The Gringa “The Ancient Treasure House”, Chapt. 2, Part 1


Join the gringa in continuing “Prince Caspian”, Book 4 of “The Chronicles of Narnia” by C S Lewis. In this chapter the children realize exactly where they are and remember their time as kings and queens in Narnia.

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Image Source: http://www.narnia.wikia.com

 

Read With The Gringa “Robin Seeks The Friar Of The Fountain”


Join the gringa in a read-along of chapter 7 of “The Merry Adventures of Robin Hood” by Howard Pyle. Boy, is that one fierce friar!

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Image Source:  www.goodreads.com

Read With The Gringa “The Hermit of the Southern March”


It’s another exciting read along with chapter 10 of “A Horse and His Boy” by C.S. Lewis. Can Shasta, Aravis, Bree and Hwin survive another ferocious lion attack?

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Amazing Grace and the Conveyor Belt


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”.

 

Source:  www.nasa.gov

Image Source:  www.nasa.gov

 

 

 

 

 

 

Read With The Gringa “The Pool of Tears”


Read along with the gringa as we continue “Alice’s Adventures in Wonderland” by Lewis Carroll with a reading of Chapter 2. Will Alice ever get into the little garden?

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Read With The Gringa “Robin and Allan-A-Dale”


Let’s read along together Chapter 6 of “The Adventures of Robin Hood” by Howard Pyle. Robin is going to play matchmaker!

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Read With The Gringa “Across The Desert”


Join the gringa in a read along of chapter 9 of “A Horse and His Boy”, Book 3 of “The Chronicles of Narnia” by C.S. Lewis. Finally reunited, will Shasta, Aravis, Bree and Hwin survive their escape through the desert?

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El Nino 101


Climate change discusses, of course, changes in Earth’s climate. This includes things like warmer ocean temperatures and fiercer storm systems. Meteorologists on local news broadcasts attribute these destructive storms to something called “El Nino”. The gringa has been hearing this term for years and finds herself often saying, “Oh, yeah, El Nino.” But, when I actually take a moment to define what the heck El Nino is, um, I’m at a loss. Being familiar with climate change terminology doesn’t mean a person actually knows what that term means. So, here’s “El Nino 101” for some clarification.

El Nino is actually a weather system caused by oceanic temperature anomalies. El Nino specifically affects the equatorial Pacific region of Earth. It is defined by unusually warm ocean temperatures shifting eastward, traveling toward the coastal regions of South America. When trade winds shift from east to west, they drag warm surface waters westward. The warmer waters collectively pool in the waters east of Indonesia and northeast of Australia. As this is going on in the western Pacific, cooler waters are surfacing in the eastern Pacific which creates what is known as a “thermocline tilt”, an east to west ocean temperature gradation. This is Earth’s normal, healthy cycle of ocean agitation, much like stirring a pot to keep it from boiling over.

As spring breaks in the northern hemisphere, the trade winds abate, thus no more “stirring the pot” cooling effect. This causes the eastern Pacific to begin warming up, leveling out the thermocline tilt. If Asian monsoons do not restore the delicate temperature balance of the thermocline tilt, El Nino begins to happen. The warmer Indonesian waters begin to move eastward and the central Pacific waters continue to warm throughout summer and fall. The thermocline tilt disappears and warm surface waters prevent cooler, deeper waters from rising. This is called a “capping effect”. Capping results in central and eastern Pacific ocean regions warming by almost 5 degrees Fahrenheit, possibly even 10 degrees Fahrenheit.

Eastern Pacific warming causes ocean water to “expand” which means sea levels rise. This rise could be a few inches or even up to a foot. However, the opposite happens in the western Pacific. As warmer surface waters flow eastward, the western Pacific experiences lower sea levels that can expose upper levels of coral reefs, resulting in their bleaching and destruction.

All of this warmer water feeds the moisture in the air which collects in cloud systems. This extra moisture being added to Earth’s normal “rainfall” budget then results in massive storm systems. And that, in a nutshell, is the story of El Nino.

Source: www.nasa.gov

Image source: en.wikipedia.org

Read With The Gringa “Down The Rabbit Hole”


Join the gringa as we embark on “Alice’s Adventures in Wonderland” by Lewis Carroll. The first chapter is a quick, eight minute read. Alice finds out that it’s not a boring afternoon any longer!

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