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Ce theme regroupe ensemble les cours d'eau de petite taille (symbolises par un trait) avec les rivieres de taille plus importante et les fleuves (symbolisees par leurs bords). Cette couche SIG a ete realisee sur fond de cartes topographiques au 1:50 000. Cette couche SIG est le resultat du travail du Projet Foret et Environnement (PFE-1999/2000) et de l'Institut National de Cartographie (INC) qui l'a mise-a-jour et modifiee en 2003 dans le cadre de la production de la "BD2". This dataset represents the small waterways, larger streams and rivers. This data was developed from a 1:50,000 topographic map. These data resulted from the work of the Forest and Environment Project (PEE 1999/2000) and the National Institute...
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The SARP Flow Alteration Assessment provides a regional characterization of the distribution and risk of flow regime impairment of streams and rivers by anthropogenic sources at the NHD+ segment scale. This map illustrates the risk of flow alteration (RFA) due to evaporative loss from artificial water bodies in local catchments for the 14-state SARP region. Â The amount of water body surface is based on high resolution NHD and linked to NHD+ catchments. Â The risk is based on the percentage of the catchment land surface covered by artificial water bodies (100 x water body surface area / watershed surface area) Risk of flow alteration categories: Â Â Â Â Â Â Â Â Â ZERO -Â Â Â Â Â Â 0% land covered by artificial...
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River segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act. Each State will establish Total Maximum Daily Loads (TMDLs) for these waters. Most Current 303(d) Waterbodies coded onto NHD Waterbody reaches (region.rch) to create Waterbody Shapefiles.
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The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences between estuarine ecosystems and investigate why some are more productive than others. The program focuses on estuarine areas important to commercial fisheries and includes data on commercial finfish and invertebrate species, as well as other species commonly captured in trawl sampling. This Louisiana dataset is a subset of the CAGES Relational Database which is a compilation of fishery-independent data contributed by natural resource agencies of the Gulf States (Texas, Louisiana, Mississippi, Alabama, and Florida). This data set includes data from trawls collected by the Alabama Department of Conservation...
Categories: Data; Tags: Alabama, Alabama Department of Conservation and Natural Resources, Annelida, Arnica Bay, Bay Minette Creek, All tags...
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The SARP Flow Alteration Assessment provides a regional characterization of the distribution and risk of flow regime impairment by anthropogenic sources at the NHD+ segment scale. This map illustrates the annual risk of impacts to flow from evaporative loss from artificial waterbodies within the whole watershed. The cumulative risk is based on the percent of the land surface in the watershed covered by artificial water bodies (100 x water body surface area / watershed surface area) Risk categories:   ZERO -      0% land covered by artificial water bodies,                             LOW -      0-2%                            MEDIUM -Â...
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River segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act. Each State will establish Total Maximum Daily Loads (TMDLs) for these waters. Most Current 303(d) Waterbodies coded onto NHD Waterbody reaches (region.rch) to create Waterbody Shapefiles.
The history of hydrocarbon generation, expulsion and migration from the Upper Devonian Bakken and Mississippian Lodgepole source rocks in the Williston Basin has been successfully replicated by a 330-km long TEMISPACK model, running from the centre of Williston Basin to the Wapella oilfield in Saskatchewan. The model shows that oil generation is the cause of overpressures in the Bakken Fm., where shale vertical permeabilities must be as low as 10-2-10 -3 nD when overpressures are around 15 MPa. Hydraulic fracturing threshold was not commonly reached. Yet, our model suggests that expulsion efficiencies are as high as 0.85. Observed very low Bakken shale porosities (0.03) are entirely consistent with this result....
The history of hydrocarbon generation, expulsion and migration from the Upper Devonian Bakken and Mississippian Lodgepole source rocks in the Williston Basin has been successfully replicated by a 330-km long TEMISPACK model, running from the centre of Williston Basin to the Wapella oilfield in Saskatchewan. The model shows that oil generation is the cause of overpressures in the Bakken Fm., where shale vertical permeabilities must be as low as 10-2-10 -3 nD when overpressures are around 15 MPa. Hydraulic fracturing threshold was not commonly reached. Yet, our model suggests that expulsion efficiencies are as high as 0.85. Observed very low Bakken shale porosities (0.03) are entirely consistent with this result....


    map background search result map search result map Risk of Flow Alteration from Artificial Waterbodies in Local Catchments of the SARP Region Cumulative Risk of Flow Alteration from Artificial Waterbodies in the SARP Region Lake Michigan basin, USA: River segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act Lake Michigan basin, USA: River segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act Cours d'eau du Gabon (linear waterways of Gabon) SEFSC CAGES Alabama Fish Length Data with CPUE SEFSC CAGES Alabama Fish Length Data with CPUE Lake Michigan basin, USA: River segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act Lake Michigan basin, USA: River segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act Cours d'eau du Gabon (linear waterways of Gabon) Risk of Flow Alteration from Artificial Waterbodies in Local Catchments of the SARP Region Cumulative Risk of Flow Alteration from Artificial Waterbodies in the SARP Region