The latest from NASA's Earth Observatory (15 April 2014)
------------------------------------------------------------------------
Latest Images:
http://earthobservatory.nasa.gov/IOTD/* Five Volcanoes Erupting at Once
http://earthobservatory.nasa.gov/IOTD/view.php?id=83502&src=eoa-iotd* Wildfire Burns Valparaiso, Chile
http://earthobservatory.nasa.gov/IOTD/view.php?id=83498&src=eoa-iotd* Grand Canyon Geology Lessons on View
http://earthobservatory.nasa.gov/IOTD/view.php?id=83495&src=eoa-iotd* Tehuano Winds
http://earthobservatory.nasa.gov/IOTD/view.php?id=83483&src=eoa-iotd* Cyclone Ita Approaching Australia
http://earthobservatory.nasa.gov/IOTD/view.php?id=83486&src=eoa-iotd* Kilauea Lava Chews Through More Forest
http://earthobservatory.nasa.gov/IOTD/view.php?id=83472&src=eoa-iotd* Arctic Sea Ice Maximum 2014
http://earthobservatory.nasa.gov/IOTD/view.php?id=83451&src=eoa-iotd* Kansas Prairie Fires
http://earthobservatory.nasa.gov/IOTD/view.php?id=83477&src=eoa-iotd--------------------
Recent Blog Posts:
http://earthobservatory.nasa.gov/blogs/Earth Matters
* Aerial View of Kahauale‘a 2
http://earthobservatory.nasa.gov/blogs/earthmatters/?p=4649&src=eoa-blogsNotes from the Field
* Sampling the Global Ocean and a Note on Ocean Acidification.
One of the greatest tools used by oceanographers today for measuring ocean processes is the CTD. CTD stands for Conductivity, Temperature and Depth. Conductivity is a measure of ocean salinity. The parameters collected and analyzed during CLIVAR campaigns includes, but is not limited to: salinity, oxygen, nutrients, chlorofluorocarbons (CFCs), dissolved inorganic carbon (DIC), total alkalinity, pH, dissolved organic carbon (DOC), helium, and tritium.
http://earthobservatory.nasa.gov/blogs/fromthefield/?p=5949&src=eoa-blogs* Stormy weather and radiometry don't mix
In spite of the rough weather, the FSG fellows have taken advantage of some calmer days to deploy a radiometer. A radiometer measures apparent optical properties or AOPs. AOPs describe how the light is entering and exiting the water column. Remember that sunlight contains a whole spectrum of colors that are determined by their wavelength. The character of the light that is reflected back out of the water can be different than what went in. More specifically, the wavelengths or colors that are reflected back out are the colors that were not absorbed or scattered forward.
http://earthobservatory.nasa.gov/blogs/fromthefield/?p=5902&src=eoa-blogs--------------------
