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Arkansas
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Arkansas (2 items)
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See also Science in your back yard: Arkansas

Results 1 - 31 of 32 listed alphabetically [list by similarity]
PDF A new tool to assess groundwater resources in the Mississippi embayment [More info]
Mathematical model of the groundwater system in this area includes 13 types of data and spans multiple aquifers over more than a century. This enables us to assess the quantity of groundwater, where and how it is being used, and how pumping affects it.
Assessment of Undiscovered Natural Gas Resources of the Arkoma Basin Province and Geologically Related Areas [More info]
We estimated mean volumes of 38 trillion cubic feet (TCF) of undiscovered natural gas, 159 million barrels of natural gas liquid (MMBNGL), and no oil in accumulations of 0.5 million barrels (MMBO) or larger in this area.
PDF Assessment of Undiscovered Oil and Gas Resources in Cretaceous-Tertiary Coal Beds of the Gulf Coast Region, 2007 [More info]
We estimated a mean of 4.06 trillion cubic feet of undiscovered, technically recoverable natural gas in these coal beds of the onshore lands and State waters of the Gulf Coast.
PDF Assessment of Undiscovered Oil and Gas Resources in Tertiary Strata of the Gulf Coast, 2007 [More info]
We estimated mean undiscovered resources of 113.7 trillion cubic feet of natural gas, a mean of 690 million barrels of oil, and a mean of 3.7 billion barrels of natural gas liquids in onshore lands and state waters in this area.
Assessment of undiscovered oil and gas resources in Jurassic and Cretaceous strata of the Gulf Coast, 2010 [More info]
We estimated means of 147.4 trillion cubic feet of undiscovered natural gas, 2.4 billion barrels of undiscovered oil, and 2.96 billion barrels of undiscovered natural gas liquids in this area using a geology-based assessment methodology.
PDF Assessment of undiscovered oil and gas resources in conventional and continuous petroleum systems in the Upper Cretaceous Eagle Ford Group, U.S. Gulf Coast region, 2011 [More info]
We estimated the volume of oil, natural gas, and natural gas liquids in three closely related geologic units in this area using a geology based assessment methodology.
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.
PDF 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.
PDF 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.
Earthquakes in the central United States, 1699-2010 [More info]
Poster includes GIS data for earthquake locations in this seismically active area.
PDF Forecasting the effects of land-use and climate change on wildlife communities and habitats in the lower Mississippi Valley [More info]
Describes the analytical process by which spatial scientific information contributes to forecasts and models in support of regional and local decision-making.
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 Arkansas [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.
PDF 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.
Real-time water data for Arkansas [More info]
Consistent, real-time water data from streams, lakes, reservoirs, ground-water, and meteorological sites, are available from the USGS National Water Information System as graphs, tables, or files to download.
PDF Regional assessments of the Nation's water quality--Improved understanding of stream nutrient sources through enhanced modeling capabilities [More info]
Studies of the sources, transport, and fate of nutrients in the streams of six major regions of the conterminous United States.
PDF Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [More info]
PDF Science Goals of the U.S. Department of the Interior Southeast Climate Science Center [More info]
A list of research topics we expect to undertake, with a short statement for each one explaining the rationale and benefit of pursuing that goal.
PDF Streamflow of 2007--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2007 (October 1, 2006 to September 30, 2007) in the context of the 78-year period 1930-2007.
Streamflow of 2008--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 0810 (October 1, 2007 to September 30, 2008) in the context of the 79-year period 1930-2008.
Streamflow of 2009--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2009 (October 1, 2008 to September 30, 2000) in the context of the 80-year period 1930-2009.
Streamflow of 2010--Water year summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2010 (October 1, 2009 to September 30, 2010) in the context of the 81-year period 1930-2010.
PDF Streamflow of 2011 - Water Year Summary [More info]
A broad survey of regional patterns in stream flow nationwide. Maps and graphs summarizing streamflow conditions for water-year 2011 (October 1, 2010 to September 30, 2011) in the context of the 82-year period 1930-2011.
Summary report of nonindigenous aquatic species in U.S. Fish and Wildlife Service Region 4 [More info]
Report prepared for the U.S. Fish and Wildlife Service with descriptions of exotic aquatic species introduced in the southeast United States with information on populations, geographic distribution, and origins.
Surface-water data for Arkansas [More info]
Consistent, historic, and up-to-date surface-water data, such as gage height (stage) and streamflow (discharge), collected at major rivers, lakes, and reservoirs, downloadable from the USGS National Water Information System as graphs, tables, or files.
PDF The Ozark Highlands [More info]
Science issues in this area identified by USGS and its partners, including regional goals and objectives, threats and emerging issues, and information gaps
The Public Land Survey System (PLSS) [More info]
Explains the characteristics and history of this distinctive way of describing geographic position characteristic of the midwestern and western states of the US.
PDF USGS Hydro-Climatic Data Network 2009 (HCDN?2009) [More info]
This updated subset of USGS streamgages for which the streamflow primarily reflects prevailing meteorological conditions for specified years, screened to exclude sites where human activity affects the natural flow of the watercourse.
PDF United States Geological Survey fire science--Fire danger monitoring and forecasting [More info]
We use moderate resolution satellite data to assess live fuel condition for estimating fire danger. Using 23 years of vegetation condition measurements, we are able to determine the relative greenness of wildland vegetation susceptible to burning.
PDF Water quality studied in areas of unconventional oil and gas development, including areas where hydraulic fracturing techniques are used, in the United States [More info]
Maps showing number of water quality samples in areas underlain by unconventional oil and gas resources, broken out by surface water and groundwater.
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