The amount of moisture transpired from leaves increases for some tree species but drops on average.
seasonal variability
Posted inResearch Spotlights
Changing Patterns in U.S. Air Quality
Over the northeast United States, ground-level ozone will peak in the winter rather than the summer thanks to continued reductions of regional nitrogen oxide emissions from smokestacks and tailpipes.
Posted inResearch Spotlights
A New Level of Understanding for Coastal Aquifers
New models of saltwater-freshwater mixing in coastal aquifers show how salinity varies throughout the year, with implications for what happens to groundwater pollutants before they reach the ocean.
Posted inResearch Spotlights
Circulation a Key Factor in Mediterranean Algal Growth
Scientists use satellite and robotic field data to study the environmental conditions driving phytoplankton blooms in the northwestern Mediterranean Sea.
Posted inNews
Holidays Really Do Light Up the Night
NASA and NOAA images reveal brighter than average December lights in the United States, brighter Ramadan nights in the Middle East.
Posted inNews
High Smog Levels Seen in Mecca During the Annual Pilgrimage
Surveys of air quality show that smog and other pollutants in Islam’s holiest city during the Hajj are among the worst in the world, prompting the Saudi government to look for ways to clear the air.
Posted inNews
NOAA's Winter Outlook Favors Weak El Niño, Lower-Than-Average Precipitation
The National Atmospheric and Oceanic Association announces the upcoming weather projection for winter 2014-2015.