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1. 2012 National Anthropogenic Barrier Dataset (NABD) [NFHP_NAPD-2012]
ABSTRACT: The main objective of this project was to develop a dataset of large, anthropogenic barriers that are spatially linked to the National Hydrography Dataset Plus Version 1 (NHDPlusV1) for ...


2. National Fish Habitat Action Plan (NFHAP) - Coastal Spatial Framework and Coastal Indicator Data [NFHP_NFHAP_CoastalAssessmen]
ABSTRACT: The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial framework. The Coastal ...


3. National Fish Habitat Action Plan (NFHAP) 2010 Community Fish Data [NFHP_2010FishData]
ABSTRACT: This geodatabase contains a comparable set of community fish samples from 12 sources, spanning the conterminous United States. The data were compiled through efforts of Michigan State University ...


4. Preliminary Lithogeochemical Map Showing Near-Surface Rock Types in the Chesapeake Bay Watershed, Virginia and Maryland, USGS OFR 01-187 [USGS_OFR01-187]
The purpose of this preliminary digital map is to provide a geographically referenced data base showing regional patterns in the distribution of rock types in the Virginia and Maryland parts of the ...


5. Atlantic Offshore Seabird Dataset Catalog [USGS_PWRC_Atlantic_Seabird_Dataset]
ABSTRACT: Several bureaus within the Department of Interior compiled available information from seabird observation datasets from the Atlantic Outer Continental Shelf into a single database, with ...


6. Contaminant Exposure and Effects - Terrestrial Vertebrates [usgs_brd_pwrc_ceetv]
The Biomonitoring of Environmental Status and Trends (BEST) program of the Department of the resources under their stewardship. In accordance with the desire of many to continuously monitor the environmental ...


7. Maryland Miniroute Project [brdpwrc0005]
Survey of population change and trend of breeding birds in Maryland. Geographic Description: Maryland and Delaware Methodology: Roadside survey route of birds. Starts at a random point. 15 stops ...


8. JHU/APL AVHRR Dynamic Window for Chesapeake Bay Area [jhuapl_dynatrack_ches]
The JHU/APL AVHRR Dynamic Window for Chesapeake Bay Area data sets are available via the World Wide Web at: "http://fermi.jhuapl.edu/dynatrack/chesa/index.html" The following information was abstracted ...


9. Chesapeake Bay Program [epa_cbprogram]   CHILD DIFs
EPAs Chesapeake Bay Program Office coordinates the goals of the Chesapeake Bay Program (CBP) with the other offices located in EPA's regional office in Philadelphia, Pennsylvania. The CBP is a unique ...


10. Chesapeake Bay Program Watershed Model Scenario Output Database [CBP_WSM43]
The Watershed model is an application of HSPF (Hydrologic Simulation Program - Fortran ) run on a unix workstation. The model divides the 64,000 square mile Chesapeake Bay drainage basin into 87 model ...


11. Striped Bass Seine Survey of the Maryland Department of Natural Resources [MDDNR_stripedbass]
The juvenile striped bass survey documents annual year-class success for young-of-the-year (YOY) striped bass (Morone saxatilis) and relative abundance of many other fish species in Chesapeake ...


12. National Environmental Specimen Bank [EPA0127]
The "National Environmental Specimen Bank," one of many projects within the National Biomonitoring Specimen Bank (NBSB) at the National Institute of Standards and Technology (NIST), was established ...


13. Baltimore Harbor, Maryland Surficial Sediments: Texture and Chemistry [balto_harbor_sediment]
This is a data table, in comma-delimited, ASCII format, which contains information about selected physical properties, particularly grain size, of 155 surficial sediment samples from Baltimore Harbor ...


14. GOES Satellite Data - Imager [gov.noaa.class.GVAR_IMG]
ABSTRACT: The GOES Imager is a five-channel (one visible, four infrared) imaging radiometer designed to sense radiant and solar reflected energy from sampled areas of the earth. GVAR is the data transmission ...


15. Meteorological and Chemical Data Collected for the Atmospheric Integrated Research Monitoring Network Dry Deposition (AIRMoN-Dry) [ATDD0002]
A network of meteorological and chemical filterpack monitoring stations has been in operation since the summer of 1984. Additional towers have since been installed around the United States, several ...


16. Chesapeake Bay Institute Data Bank Compilation of Cruise Data from 1949 through 1982 [cbp_cbiwqdb]   PARENT DIF
This data set is a compilation of Chesapeake Bay mainbay cruise data from the CBI data bank extending from the institution''s founding in ...


17. Alliance Citizen Monitoring Database [CBP_ACB]
The Alliance Citizen Monitoring program is a regional network of more than 145 trained volunteers who perform weekly water quality tests that help track the condition ...


18. CBM NERR Nutrient Metadata April-December 2003 Latest Update: February 21, 2005 [CDMO_cbmnut04-12.03m]   PARENT DIF
Nutrient monitoring is conducted at 26 National Estuarine Research Reserves (NERR) from four locations within or adjacent to the reserve on a monthly basis of the following parameters: ...


19. Chesapeake Bay Maryland (CBM) NERR Nutrient Metadata February-December 2004 Latest Update: July 21, 2005 [CDMO_cbmnut02-12.04m]   PARENT DIF
Nutrient monitoring is conducted at 26 National Estuarine Research Reserves (NERR) from four locations within or adjacent to the reserve on a monthly basis of the following parameters: ...


20. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata April 2001-November 2001 Latest Update: April 11, 2003 [CDMO_cbmwq04-11.01m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


21. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata April-September, 1996 Latest Update: August 13, 2002 [CDMO_cbmwq04-09.96m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


22. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata August 1999-December 1999 Latest Update: July 24, 2000 [CDMO_cbmwq08-12.99m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


23. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata January 2000-September 2000 Latest Update: June 29, 2001 [CDMO_cbmwq01-09.00m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


24. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata January 2004-December 2004 Latest Update: August 16, 2005 [CDMO_cbmwq01-12.04m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


25. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata July - November, 1997 Latest Update: July 27, 2000 [CDMO_cbmwq07-11.97m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters ...


26. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata July-November, 1995 Latest Update: July 26, 2000 [CDMO_cbmwq07-11.95m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


27. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata June-September 1998 Latest Update: July 27, 2000 [CDMO_cbmwq06-09.98m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


28. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata March 2002-December 2002 Latest Update: December 12, 2003 [CDMO_cbmwq03-12.02m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


29. Chesapeake Bay Maryland (CBM) NERR Water Quality Metadata March 2003-December 2003 Latest Update: April 29, 2004 [CDMO_cbmwq04-12.03m]   PARENT DIF
Water quality monitoring is conducted at 26 National Estuarine Research Reserves (NERR) at four locations within or adjacent to the reserve. The following parameters are collected ...


30. Chesapeake Bay Maryland NERR Meteorological Metadata July-December 2003 Latest Update: December 14, 2004 [CDMO_cbmmet07-12.03m]   PARENT DIF
Meteorological monitoring is conducted at 26 National Estuarine Research Reserves (NERR) from at least one location within or adjacent to the reserve. Data are collected every 5 seconds ...


31. NY_GOME_CONTOURS: New York Bight and Gulf of Maine bathymetric contours [CZM_moris_ny_gome_contours_arc]
This bathymetric shapefile contains 10 m contours for the continental shelf and 100 m beyond the 200 m shelf edge. The contours have been derived from the National Oceanic and Atmospheric Administration ...


32. Chesapeake Bay Program Benthic Monitoring Database [CBP_benthicdata]
The purpose of this document is to present the current CIMS relational database design for benthic monitoring data. The following text describes in detail the Benthic Monitoring Database's ...


33. Chesapeake Bay Program Water Quality Database [CBP_WQDB]
The Water Quality Monitoring database is a compilation of data for 19 parameters at 49 mainbay and approximately 150 tributary stations for Maryland, Virginia, and the District of Columbia ...


34. Maryland Geological Survey (MGS) Seismic Network [md_seismic_network]
There are several options for viewing Maryland seismic network data. Near real-time data is available through the online helicorder and the online seismograph. Records of recent, significant events ...


35. Maryland Department of Natural Resources (MDNR) Fall Oyster Survey [BRD_MDNR_OYSTERS]
This dataset contains information taken from field sheets completed during the Modified Fall Oyster Survey pertaining to spat counts, spat size distribution, seed and shell information on each bar, ...


36. Maryland Department of Natural Resources (MDNR) Fall Oyster Survey Disease and Population Data [BRD_MDNR_OYSTERS_DISEASE]
[For a more detailed metadata record, See: "http://gcmd.gsfc.nasa.gov/brd/brd_mdnr2.html"] This database contains disease and population data collected during Oxford Lab's annual Modified Fall Oyster ...


37. West Nile Virus United States Bird Map [usgs_cdc_westnilebird]
The Centers for Disease Control and Prevention and the United States Geological Survey have collaborated on the United States Bird Map that shows where birds have tested positive for West Nile Virus. ...


38. West Nile Virus United States Human Map [usgs_cdc_westnilenuman]
The Centers for Disease Control and Prevention and the United States Geological Survey have collaborated on the United States Human Map that shows where humans have tested positive for West Nile Virus. ...


39. West Nile Virus United States Mosquito Map [usgs_cdc_westnilemosquito]
The Centers for Disease Control and Prevention and the United States Geological Survey have collaborated on the United States Mosquito Map that shows where mosquitos have tested positive for West ...


40. Breeding Bird Surveys at SERC [siserc_bird001]
The locations of all birds seen or heard during a census were marked on a map. Censuses were conducted along 10 lanes, 50 m apart through a 15 ha section of mature upland forest that was dominated ...


41. Dynamics of Forest Trees in the SERC Tower Stand, SERC, Edgewater, MD [siserc_cano020]
Measurements of identity size, and health of all woody plants in the SERC tower stand (1.635 hectares): a study of stand dynamics taken every three years. Location: SERC Tower Forest, Edgewater, ...


42. Dynamics of Forest Trees in the SERC Western Triangle Stand, SERC, Edgewater, MD [siserc_cano021]
Measurements of identity, size, and health of all woody plants in the SERC Western Triangle stand (1.0 hectares): a study of stand dynamics taken every three years. Location: SERC Western Triangle ...


43. Dynamics of PAR and UVB Transmittance, SERC, Edgewater, Maryland [siserc_cano011]
Transmittance of broadband PAR and UVB radiation taken at 22 irregular intervals throughout the year from a slanting guy-wire trolley system at the SERC forest tower (1.635 ha in size). Location ...


44. Foliage Leaching by Acids at SERC, Edgewater, MD. [siserc_cano004]
Acid-dependent leaching potential (pH 2.5,3,3.5,4,4.5,5,&5.5) of major solutes from leaves of 7 major canopy species measured in the laboratory using a rainwater simulation procedure ("leaching potential"). ...


45. Infaunal Macroinvertebrates at the Smithsonian Environmental Research Center [siserc_crab002]
Populations of infaunal macroinvertebrates in the Rhode River subestuary of the Chesapeake Bay were monitored starting in October 1979. Samples were collected bimonthly from late March to early December. ...


46. Juvenile Blue Crab Mortality at the Smithsonian Environmental Research Center [siserc_crab001]
Tethering techniques are used to assess sources of and temporal variation in juvenile blue crab mortality as a function of water depth in the nearshore shallows of the Rhode River subestuary. Twenty-five ...


47. Leaf Area Phenology in a Mixed Deciduous Forest, SERC, Edgewater, MD [siserc_cano013]
Leaf area by species and height interval for all species in the SERC Tower stand for the entire growing season of 1994: the details of canopy structural phenology. Measurements taken about 20 times ...


48. Marsh Elevated CO2 Study-Aboveground Biomass, SERC, Edgewater, MD [siserc_co2007]
Aboveground biomass data and graphs by community, CO2 treatment and year. Data are in summary form rather than by plot. Measurements taken annually (end of Jyly-beginning of August). 0.8 m diameter ...


49. Marsh Elevated CO2 Study-Absolute CO2 Concentrations, SERC, Edgewater, MD [siserc_co2002]
Ambient atmospheric CO2 concentration and CO2 concentration in the 15 elevated CO2 open top chambers in C3, C4 and mixed C3&C4 communities (5 per community). Data were averaged over 15 minute periods; ...


50. Marsh Elevated CO2 Study-Meteorologic Data, SERC, Edgewater, MD [siserc_co2001]
Meteorologic data for Kirpatrick marsh, site of the elevated CO2 experiment. Data were averaged over 15 minute periods; chamber measurements only when chambers are on. Points were within the three ...


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