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Background and Problem Prattsville has experienced severe flooding along the Schoharie Creek, most notably during August 2011 following Hurricane Irene, which severely damaged or destroyed large areas of the town, and caused several million dollars in damages (Figure 1). Before and during a flood, forewarning and emergency response are critical. The rescue efforts of emergency responders are often hampered by lack of an understanding of where flooding is occurring at any given moment, but also where flooding is likely to occur in the near future. Emergency responders would benefit from a library of flood-inundation maps that are referenced to the stages recorded at the U.S. Geological Survey (USGS) streamgage in...
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Digital flood-inundation maps for a 2.4-mile reach of the Schoharie Creek in North Blenheim, New York, were created by the U.S. Geological Survey (USGS) in cooperation with the New York Power Authority. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science web site at https://fim.wim.usgs.gov/fim/, depict estimates of the areal extent and depth of flooding corresponding to selected water levels (stages) at the USGS streamgage on the Schoharie Creek near North Blenheim, NY (station number 01350212). Flood profiles were computed for the stream reach by means of a two-dimensional implicit finite volume hydraulic model. The model was calibrated using the active (as of April,...
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Morris Lake, also known as Newton Reservoir, has been the source of drinking water for the Town of Newton, New Jersey, since the early 1900s. Although Morris Lake has been used as a source of drinking water for many years, its capacity was previously unknown. In April 2018, the U.S. Geological Survey and the New Jersey Department of Environmental Protection conducted a bathymetric survey of Morris Lake using a multibeam echosounder to map the reservoir. The points measured with the multibeam echosounder were combined with lidar data above the water surface and processed to create a 3.3-foot (1 meter) raster grid of the bathymetric surface, bathymetric contours at 2-foot intervals of depth and elevation, and an elevation-area-capacity...
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Transects of near-surface continuous water-quality data and vertical profiles of the same parameters were collected over a 24-hour period from September 7 to September 8, 2023 in the Arthur Kill. The Arthur Kill is a tidal strait located between Staten Island, New York, and Union and Middlesex Counties, New Jersey, and connects Newark Bay to the north and Raritan Bay to the south. It is a major shipping channel for the Port of New York and New Jersey surrounded by industrial and highly developed land. Transects were collected using a Yellow Springs Instruments (YSI) EXO2 series water-quality sonde with a 5-second data collection interval while the boat was in motion. Vertical profiles of water-quality parameters...
From May 2017 to November 2019, the U.S. Geological Survey conducted bathymetry surveys of New York City's East of Hudson Reservoirs. The East of Hudson Reservoirs consist of 16 reservoirs and controlled lakes in Putnam and Westchester County, New York, including Amawalk Reservoir, Bog Brook Reservoir, Boyd Corners Reservoir, Cross River Reservoir, Croton Falls Reservoir, Diverting Reservoir, East Branch Reservoir, Kensico Reservoir, Kirk Lake, Lake Gilead, Lake Gleneida, Middle Branch Reservoir, Muscoot Reservoir, New Croton Reservoir, Titicus Reservoir, and West Branch Reservoir. The East of Hudson Reservoirs form New York City's Croton Water Supply System, and also include parts of the Catskill/Delaware Water...
Categories: Data; Tags: Amawalk Reservoir, Ambient Monitoring, Basin & Hydrogeologic Characterization, Bog Brook Reservoir, Boyd Corners Reservoir, All tags...
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This data release contains phytoplankton data and vertical profile measurements of water quality and light in oligotrophic (low nutrient) lakes within the Adirondack Park, New York State. Data were collected between June and October 2021 at five lakes. Four lake locations (Nearshore, Open Water, Layer, Bloom) were sampled representing one of four sample types (Bottom Sediment, Surface Water, Bloom Material, Layer). Water-quality field parameters (water temperature, dissolved-oxygen concentration and percent saturation, pH, specific conductance, turbidity, chlorophyll fluorescence, phycocyanin fluorescence, and fluorescent dissolved organic material) were measured at each sampling location from the surface to the...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Adirondack Park, Algal concentration, Blue Mountain Lake, Blue-green algae, Brant Lake, All tags...
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On August 25, 2020, the U.S. Geological Survey conducted a bathymetry survey of a 550 meter long reach of the Black River near Great Bend, New York. The study reach began approximately 1,000 meters upstream from the State Route 26 bridge in Great Bend, New York. Depth data were collected primarily with a 1,200 kilohertz Teledyne RD Instruments RioPro acoustic Doppler current profiler (ADCP) with position data from differential global navigation satellite system (GNSS) Hemisphere V102 DGPS antenna (any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government). Water surface elevations were established using real-time kinematic (RTK) GNSS surveys;...
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Background and Problem Flooding is a ubiquitous problem throughout New York State. The Schoharie Creek has experienced severe floods, including the devastating floods of August 2011 following Hurricane Irene, which severely damaged or destroyed many homes, businesses, roads, and other property within the Schoharie Valley. In North Blenheim, homes, the Blenheim Town Hall, fire hall, and maintenance hall were inundated; road were washed out and the historic covered bridge was destroyed. In addition to the flood of 2011, major floods occurred in April 1987, January 1996, and April 2005. Before and during a flood, forewarning and emergency response are critical to minimizing loss of life and property. The rescue efforts...
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Problem The New York State Department of Environmental Conservation (NYSDEC) intends to develop a Nine-Element Watershed Plan (http://www.dec.ny.gov/chemical/103264.html) for the Lake Erie/Niagara Basin. To develop the Nine-Element Plan, NYSDEC needs a high quality, quality assured, nutrient-loading dataset to serve as a baseline against which future change can be measured and to identify areas in greatest need of water quality improvement. Objective and Scope The objective of this project is to collect baseline nutrient water-quality data that can be used to 1) build a watershed model that will help focus future water quality improvement efforts in the basin, and 2) aid in future regional target-setting efforts...
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Background Every day, the New York City Department of Environmental Protection (DEP) supplies more than one billion gallons of drinking water to more than nine million people. To do this, the DEP maintains an extensive network of reservoirs and aqueducts. A major part of this system, the West of Hudson (WOH) network, in the Delaware and Hudson River drainages, includes six reservoirs (fig. 1) – Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie – which were constructed from the early 1900s to the 1960s and have an estimated combined storage capacity of more than 460 billion gallons. Problem and Objective The daily and seasonal management of the WOH reservoirs by DEP depends on accurate bathymetric...
map background search result map search result map Flood-Inundation Maps for the Schoharie Creek at Prattsville, New York Bathymetry of New York City's West of Hudson Reservoirs Flood-Inundation Mapping for Schoharie Creek at North Blenheim, NY Geospatial Bathymetry Dataset and elevation-area-capacity tables for Morris Lake (Newton Reservoir), New Jersey, 2018 Elevation contours, Morris Lake (Newton Reservoir), New Jersey, 2018 Elevation raster, Morris Lake (Newton Reservoir), New Jersey, 2018 Quality-assurance points, Morris Lake (Newton Reservoir), New Jersey, 2018 Elevation-area-capacity tables for Morris Lake (Newton Reservoir), New Jersey, 2018 Depth contours, Morris Lake (Newton Reservoir), New Jersey, 2018 Depth raster, Morris Lake (Newton Reservoir), New Jersey, 2018 Raster map of interpolated areas of bathymetric maps of Morris Lake (Newton Reservoir), New Jersey, 2018 Surface-water quality in the Lake Erie/Niagara River Basin of New York State Geospatial bathymetry dataset for the Black River near Great Bend, New York, 2020 Geospatial bathymetry datasets for New York City's East of Hudson Reservoirs and Controlled Lakes Geospatial datasets and hydraulic model for flood-inundation maps for the Schoharie Creek in North Blenheim, NY Inundation polygons for flood-inundation maps for the Schoharie Creek in North Blenheim, NY Water-surface elevation grids for flood-inundation maps for the Schoharie Creek in North Blenheim, NY Field survey points for flood-inundation maps for the Schoharie Creek in North Blenheim, NY Vertical Profiles of Water Quality and Phytoplankton Data from Five Lakes in the Adirondack Park, New York State, 2021 Vertical Profiles and Near Surface Water Quality Transects for Dissolved Oxygen Monitoring of the Arthur Kill, New York and New Jersey, September 7th and 8th, 2023 Geospatial bathymetry dataset for the Black River near Great Bend, New York, 2020 Elevation-area-capacity tables for Morris Lake (Newton Reservoir), New Jersey, 2018 Quality-assurance points, Morris Lake (Newton Reservoir), New Jersey, 2018 Elevation contours, Morris Lake (Newton Reservoir), New Jersey, 2018 Depth contours, Morris Lake (Newton Reservoir), New Jersey, 2018 Geospatial Bathymetry Dataset and elevation-area-capacity tables for Morris Lake (Newton Reservoir), New Jersey, 2018 Raster map of interpolated areas of bathymetric maps of Morris Lake (Newton Reservoir), New Jersey, 2018 Elevation raster, Morris Lake (Newton Reservoir), New Jersey, 2018 Depth raster, Morris Lake (Newton Reservoir), New Jersey, 2018 Inundation polygons for flood-inundation maps for the Schoharie Creek in North Blenheim, NY Water-surface elevation grids for flood-inundation maps for the Schoharie Creek in North Blenheim, NY Field survey points for flood-inundation maps for the Schoharie Creek in North Blenheim, NY Flood-Inundation Maps for the Schoharie Creek at Prattsville, New York Flood-Inundation Mapping for Schoharie Creek at North Blenheim, NY Vertical Profiles and Near Surface Water Quality Transects for Dissolved Oxygen Monitoring of the Arthur Kill, New York and New Jersey, September 7th and 8th, 2023 Geospatial bathymetry datasets for New York City's East of Hudson Reservoirs and Controlled Lakes Bathymetry of New York City's West of Hudson Reservoirs Surface-water quality in the Lake Erie/Niagara River Basin of New York State Vertical Profiles of Water Quality and Phytoplankton Data from Five Lakes in the Adirondack Park, New York State, 2021