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6 November 2015
Satellite Detects Food Chain Impact of El Nino
El Nino is not just a warming of the surface waters in the East Pacific, the depth of that warm water increases as the thermocline lowers. This keeps nutrient rich colder waters from upwelling to the surface, impacting the very bottom of the food chain. NASA has a cool page (with much more info) where you can toggle back and forth and see the drop in chlorophyll here. How you …
17 February 2015
The Chesapeake Bay is Freezing Up!
Click the image above for a version large enough to print! It’s become another ‘winter to remember’ in the Northeastern U.S. The snow goes all the way to the beach here on Delmarva, with 6-8 inches covering the area. Some pics sent in from our viewers are below. Below is the ferry out to Smith Island in the Chesapeake Bay. A snowy Ocean City beach below.
1 January 2015
This Green and Snowy Sceptered Isle
The UK had a pretty good snow event last week after Christmas, and NASA released this true colour image from the MODIS sensor on the Aqua satellite. Click for the full 5 megabyte high resolution version. You folks in the UK could get a nice poster out of that pic! If you look at the snow over Northern Wales, you will see Anglesey jutting out to the west. The image …
24 April 2014
Oh, The Things You Can See From On High
I spent a little while looking at today’s images from NASA’s Terra and Aqua satellites with their amazing MODIS imager that sends back true colour images from an altitude of around 700 km. Here are a few things I spotted in just a short period of browsing this evening. Click any image for a much larger view. Here is a view of just some Sahara sand blowing north into Greece …
30 December 2013
Icy Shots From Space
How can you tell the difference between white clouds and white snow on a satellite image?? Rivers don’t run through clouds! Study the image from the Aqua satellite today above and you will see what i mean. Speaking of satellite images of icy cold, the folks at CIMMS at the Uni. of Wisconsin posted the animated gif below showing ice forming on Lake Michigan. Speaking of ice, I had a …
Dan Satterfield has worked as an on air meteorologist for 32 years in Oklahoma, Florida and Alabama. Forecasting weather is Dan's job, but all of Earth Science is his passion. This journal is where Dan writes about things he has too little time for on air. Dan blogs about peer-reviewed Earth science for Junior High level audiences and up.