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Filters Date Range Past year (5) Past month (4) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (1) Types Map Service (18) OGC WFS Layer (18) OGC WMS Layer (18) OGC WMS Service (17) Citation (1) Downloadable (1) Shapefile (1) Contacts Janis Ruhser U.S. Geological Survey - ScienceBase James H Larson Larry R Robinson Sean W Bailey More... Categories Data (11) Data Release - In Progress (1) Data Release - Revised (1) Tag Types Place (28) Theme (28) Harvest Set (4) USGS Scientific Topic Keyword (3) Tag Schemes Common geographic areas (24) ISO 19115 Topic Category (27) Common Geographic Locations (3) USGS (3) USGS Thesaurus (6) None (4) Geographic Names Information System (1) More... View Results as: JSON ATOM CSV

Great Lakes Restoration Initiative: Nutrient cycling in riverbed sediment in the Maumee River Basin, 2021 Data (ver. 2.0, March 2024) The Maumee River transports huge loads of nitrogen (N) and phosphorus (P) to Lake Erie. The increased concentrations of N and P are causing eutrophication of the lake, creating hypoxic zones, and contributing to phytoplankton blooms. It is hypothesized that the P loads are a major contributor to harmful algal blooms that occur in the western basin of Lake Erie, particularly in summer. The Maumee River has been identified by the United States Environmental Protection Agency as a priority watershed where action needs to be taken to reduce nutrient loads. This study quantified rates of biogeochemical processes affecting downstream flux of N and P by 1) measuring indices of potential sediment P retention and 2) measuring... Categories: Data; Tags: Fort Wayne, Indiana, Maumee River, Michigan, Ohio, All tags... Toledo, Western Lake Erie, biota, denitrification, environment, eutrophication, inlandWaters, nitrification, nitrogen, phosphorus, phosphorus storage, streambed sediment, Fewer tags Water temperature data from the summer of 2014 in western Lake Erie This dataset contains the recorded water temperatures of specific sites in western Lake Erie during the summer of 2014. Categories: Data; Tags: Western Lake Erie, inlandWaters, water temperature Water temperature data from the summer of 2015 in Great Lakes bays This dataset contains the recorded water temperatures of specific sites in western Lake Erie, Saginaw Bay in Lake Huron, and Grand Traverse Bay in Lake Michigan during the summer of 2015. Sites with just a number were from Lake Erie. Sites from Grand Traverse Bay have a GTB prefix; Saginaw Bay= SB prefix. Categories: Data; Tags: Grand Traverse Bay, Northeastern Lake Michigan-Lake Michigan, Saginaw Bay, Southwestern Lake Huron-Lake Huron, Western Lake Erie, All tags... inlandWaters, water temperature, Fewer tags Orthophotos: oriXU-RS180_20180823_080451_930_707_131563 - - through - - oriXU-RS180_20180823_082750_657_10339_131649 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180823_092018_494_29939_131824 - - through - - oriXU-RS180_20180823_094753_186_39571_131910 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180824_075149_667_1043_132267 - - through - - oriXU-RS180_20180824_082529_427_11011_132356 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180824_085121_953_21203_132447 - - through - - oriXU-RS180_20180824_091336_364_31171_132536 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Biomass and abundance of invertebrates collected on artificial substrates in the Great Lakes, 2013-2016 In this dataset, we report on the biomass and abundance of invertebrates collected on artificial substrates in the Great Lakes from 2013-2016. Sampling effort was focused on the western basin of Lake Erie, but also includes some sampling from Green Bay (Lake Michigan), Grand Traverse Bay (Lake Michigan) and Saginaw Bay (Lake Huron). In 2015 and 2016, we increased the number of taxa that we quantified. Round Hester-Dendy samplers were used as artificial substrates. Substrates were deployed at sites where unionid mussels were also deployed in cages. Categories: Data; Tags: Great Lakes, USGS-CC Quagga Mussels and Zebra Mussels, Western Lake Erie, biota, freshwater ecosystems, All tags... invertebrates, surface water (non-marine), Fewer tags Response of natural phytoplankton communities from Green Bay (Lake Michigan) and Maumee Bay (Lake Erie) to laboratory manipulations of nutrient and trace metal availability during late summer 2018 Microcystins (MC) are a class of cyanotoxins produced by many cyanobacteria taxa. Although toxic to metazoans, the evolution of microcystin pre-dates the appearance of metazoans, and so MC did not originate as a toxin to potential metazoan grazers. One hypothesized functional role of microcystin is the management and acquisition of metals, several of which form complexes with MC intracellularly. Metals are often used to build enzymes within the cell that allow cyanobacteria to use non-preferred nitrogen (N) and phosphorus (P) sources, such as nitrate, urea and organic P. If trace metals are in low supply, primary producers may become limited because of their inability to access these non-preferred N and P forms.... Categories: Data; Tags: Aquatic Biology, Great Lakes, Green Bay, Northwestern Lake Michigan, USGS Science Data Catalog (SDC), All tags... Western Lake Erie, cyanobacteria ["blue-green algae"], environment, Fewer tags Water temperature data from the summer of 2016 in Great Lakes bays This dataset contains the recorded water temperatures of specific sites located in western Lake Erie and the rivermouths of the Fox River and Duck Creek as they flow into Green Bay in Lake Michigan during the summer of 2016. Sites with just a number were from Lake Erie. Sites from Green Bay = GB prefix; Fox Rivermouth = FX prefix; Duck Creek rivermouth = DK prefix. Categories: Data; Tags: Duck Creek, Fox River, Green Bay, Northwestern Lake Michigan, Western Lake Erie, All tags... inlandWaters, water temperature, Fewer tags 2018 Western Lake Erie 4-Band Orthophotos High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180824_103142_148_62979_132820 - - through - - oriXU-RS180_20180824_105532_562_72947_132909 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180823_110347_262_68915_132172 - - through - - oriXU-RS180_20180823_113325_066_78547_132258 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Great Lakes Restoration Initiative: Nutrient cycling in riverbed sediment in the Maumee River Basin, 2019 and 2021 Data (ver. 2.0, March 2024) The Maumee River transports huge loads of nitrogen (N) and phosphorus (P) to Lake Erie. The increased concentrations of N and P are causing eutrophication of the lake, creating hypoxic zones, and contributing to phytoplankton blooms. It is hypothesized that the P loads are a major contributor to harmful algal blooms that occur in the western basin of Lake Erie, particularly in summer. The Maumee River has been identified by the United States Environmental Protection Agency as a priority watershed where action needs to be taken to reduce nutrient loads. This study quantified rates of biogeochemical processes affecting downstream flux of N and P by 1) measuring indices of potential sediment P retention and 2) measuring... Categories: Data, Data Release - Revised; Tags: Fort Wayne, Indiana, Maumee River, Maumee River Basin, Michigan, All tags... Ohio, Toledo, USGS Science Data Catalog (SDC), Water Resources, Western Lake Erie, biota, denitrification, eutrophication, nitrification, nitrogen, phosphorus, phosphorus storage, streambed sediment, Fewer tags Orthophotos: oriXU-RS180_20180823_085511_671_20195_131737 - - through - - oriXU-RS180_20180823_092005_701_29827_131823 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180823_094802_028_39683_131911 - - through - - oriXU-RS180_20180823_100555_031_49315_131997 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180823_103854_252_59171_132085 - - through - - oriXU-RS180_20180823_110332_786_68803_132171 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180824_093959_995_41363_132627 - - through - - oriXU-RS180_20180824_100324_915_52003_132722 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Orthophotos: oriXU-RS180_20180824_082545_244_11123_132357 - - through - - oriXU-RS180_20180824_085107_643_21091_132446 High-resolution digital aerial imagery was collected on August 23 and 24, 2018, with an 80-megapixel Phase One iXU-R 180 natural color aerial camera co-mounted with a Phase One iXU-RS 160 achromatic aerial camera. Software co-registers the simultaneously collected images to create 4-band imagery that can be displayed in either true color (RGB) or color-infrared (CIR) format. The camera system is connected to the plane's positioning and orientation system and precise metadata was generated for each exposure. This imagery was intended to be used as a base layer for object-based image analysis (OBIA) to map aquatic vegetation in western Lake Erie. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Lake Erie, Michigan, Ohio, Western Lake Erie, imageryBaseMapsEarthCover Object-Based Image Analysis Detection of Aquatic Vegetation, Lake Erie, Western Basin, 2018 The USGS developed the second in a series of informative spatial distribution datasets of submersed aquatic vegetation (SAV) in the western basin of Lake Erie. The second dataset was developed by object-based image analysis of high-resolution imagery (US waters < 6 meters deep) collected during peak biomass in 2018 to allow assessments of changes in SAV distribution. Assessing SAV abundance may contribute to inform the long-term impacts of Grass Carp, Common Carp, eutrophication, wind fetch and sedimentation on vegetation communities throughout Lake Erie and the impact these stressors may have on other organisms in the ecosystem. These data may also help inform the deployment of toxic bait deployments targeting... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Ctenopharyngodon idella, Great Lakes, Lake Erie, USGS-CC Asian Carp, USGS-CC Great Lakes, All tags... Western Lake Erie, aquatic vegetation, biota, freshwater ecosystems, image analysis, remote sensing, Fewer tags 1 2 »