BRASS: Bedrock Regional Aquifer Systematics Study [ More info] Description of the project to publish new bedrock geologic maps in the United States to advance the understanding of the region's bedrock aquifers. Includes list of projects.
Biomarker Benchmarks: Reproductive and Endocrine Biomarkers in Largemouth Bass and Common Carp from United States Waters [ More info] Describes a national reconnaissance study of reproductive health in two species of fish across the US. More than 2,200 common carp and 650 largemouth bass were collected at 119 rivers and streams.
Data for giant constrictors - Biological management profiles and an establishment risk assessment for nine large species of pythons, anacondas, and the boa constrictor [ More info] Locations for nine species of large constrictors, from published sources, along with monthly precipitation and average monthly temperature for those locations. Shapefiles for each snake species studied.
Geochemical and mineral maps from soils of the conterminous United States [ More info] Geochemical and mineralogical maps along with a histogram, boxplot, and empirical cumulative distribution function plot for each element or mineral whose data are provided in DS-801
Ground-water data for New Hampshire [ More info] Consistent, historic, and up-to-date ground-water data, such as water levels collected at wells and springs, are available from the USGS National Water Information System as graphs, tables, or files to download.
Impacts of Low-Flow and Stream-Temperature Changes on Endangered Atlantic Salmon - Current Research [ More info] Recent physical changes over time, including trends toward earlier snowmelt runoff, decreasing river ice, and increasing spring water temperatures, may affect salmon populations; we want to know how important these effects are.
Investigating White-Nose Syndrome in Bats [ More info] Explains the nature and history of this fungal infection that is killing large numbers of bats in the northeast US.
Land-cover change research at the U.S. Geological Survey-assessing our nation's dynamic land surface [ More info] Estimates of change in major types of land use and land cover from 1973 to 2000 should help model potential future change as climate, population, public policy, and technology change.
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.
New England states aeromagnetic and gravity maps and data [ More info] Aeromagnetic surveys of New England, merged to form seamless grids across the state. Gravity anomaly data are provided as well. Data provided in a variety of formats.
Alphabetical Index of Topics
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