Search Data.gov
Found 638 dataset(s) matching "aquatic systems".
-
The Oculina GIS CD provides a comprehensive, interactive data source for the Oculina Banks Habitat Area of Particular Concern (OHAPC), a marine protected area off the east coast of Florida in 70...
-
Natural cave passages penetrating a coastal aquifer in the Yucatan Peninsula (Mexico) were accessed to investigate how regional meteorology and hydrology control methane dynamics in karst...
-
The Center for Coastal Monitoring and Assessment (CCMA) completed its seventh year of an ongoing scientific research mission on board NOAA Ship Nancy Foster. The objective of this project was to...
-
U.S. Geological Survey (USGS) scientists conducted field data collection efforts between August 17th and 28th, 2020 over a large stretch of the Niobrara River in Nebraska using high accuracy...
-
Natural cave passages penetrating a coastal aquifer in the Yucatan Peninsula (Mexico) were accessed to test the hypothesis that chemoclines associated with salinity gradients (haloclines) within...
-
Spatial data layers of stream crossing point locations, cross-section polyline, centerline polyline, and bank polyline shapefiles have been developed for selected stream crossings in the...
-
System-scale restoration efforts within the Upper Mississippi River Restoration Program have included annual monitoring of submersed aquatic vegetation (SAV) since 1998 in four representative...
-
This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program fish assemblages tabular data collected during 1994-2011 in Olympic National Park (OLYM). The...
-
This is a collection of over 290,000 hazard data records compiled for the Alternatives Assessment Dashboard. The hazard data includes records for human health, ecotoxicity, and fate. The human...
-
Data set includes analyses of vessel tracking data from NOAA Vessel Monitoring System (VMS) from 2010 to 2017 to generate high-resolution spatio-temporal estimates of contemporary fishing effort...
-
A three-dimensional groundwater-flow model (MODFLOW-2000 ) of the Kirkwood-Cohansey aquifer system, Rio Grande water-bearing zone, and Atlantic City 800-foot sand in the Great Egg Harbor and...
-
Chemical, physical, profile, biological, laboratory analysis, meteorological, navigational, tows and underway oceanographic data were collected aboard NOAA Ship NANCY FOSTER in the Gulf of Mexico...
-
This data release contains three 10-meter resolution GeoTIFFs representing 10-meter (35-foot), 30-meter (100-foot) and 90-meter (300-foot) riparian buffer zones along shorelines, rivers, streams,...
-
The St. Clair River delta, part of the St. Clair-Detroit River System (SCDRS), is the most fished coastal wetland area in the Laurentian Great Lakes and provides nursery habitat for a variety of...
-
These data are a collection of regional GIS (Arcview shapefiles and associated Federal Geographic Data Committee (FGDC) metadata) benthic habitat files from studies conducted in specific locations...
-
U.S. Geological Survey (USGS) scientists conducted field data collection efforts during the week of September 25 – 29, 2017, using a combination of conventional surveying technologies, for a large...
-
This dataset contains model output data to understand the effect of ocean acidification on the snow crab and southern Tanner crab fisheries. A multi-species size-structured population dynamics...
-
Average profit (million $) and average catch (thousand tonnes) [median and 90 % intervals] by harvest strategy and the proportion of years with negative profit. Results are shown for projections...
-
This dataset contains the relationship between the effort (fishing days) and yield (in thousand tonnes) and profit (in millions of dollars; real 2019 USD) in 2020 and 2090 in the absence of future...