The 3D Elevation Program: summary for Arkansas [ More info] Summarizes the expected value over the next decade of the 3D Elevation Program for this state.
Summary of estimated water use in the United States in 2010 [ More info] About 355,000 million gallons per day of water was withdrawn for use in the United States during 2010, a decline of 13 percent from 2005 and a substantial change from the level of about 400,000 reported from 1985 to 2005.
National Land Cover Database Evaluation, Visualization, and Analysis Tool [ More info] Map interface providing summary statistics and geospatial data indicating changes in land cover from 2001 through 2011 in the continental US.
Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [ More info]
Drought and deluge: Effects of recent climate variability on groundwater levels in eastern Arkansas [ More info] Water levels in wells completed in the Mississippi River Valley alluvial aquifer and the Sparta aquifer in eastern Arkansas respond to variability associated with annual precipitation.
Earthquake hazard in the New Madrid seismic zone remains a concern [ More info] GPS measurements made since 1996 seem to show this earthquake-prone area slowing down. Is it time to relax? Scientists who studied these data in detail say no, and this fact sheet explains why.
Alphabetical Index of Topics
a b c d e f g h i j k l m n o p q r s t u v w x y z