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  3. Geospatial bathymetry datasets for New York City's East of Hudson Reservoirs and Controlled Lakes
  4. Geospatial bathymetry datasets for Lake Gilead, New York, 2017

Geospatial bathymetry datasets for Lake Gilead, New York, 2017

Dates

Start Date
2017-05-22
End Date
2017-05-23
Publication Date

Citation

Nystrom, E.A, Huston, C.J., and Welk, R.J, 2021, Geospatial bathymetry datasets for New York City's East of Hudson Reservoirs and Controlled Lakes: U.S. Geological Survey data release, https://doi.org/10.5066/P9ZZQ2OT.

Summary

From May 2017 to November 2019, the U.S. Geological Survey conducted bathymetric surveys of New York City's East of Hudson Reservoirs. Bathymetry data were collected at Lake Gilead during May 2017. Depth data were collected primarily with a multibeam echosounder. Quality assurance points were measured with a single-beam echosounder. Water surface elevations were established using real-time kinematic (RTK) and static global navigation satellite system (GNSS) surveys and submersible pressure transducers. Measured sound velocity profiles were used to correct echosounder depth measurements for thermal stratification. Digital elevation models were created by combining the measured bathymetry data with lidar elevation data surrounding [...]

Contacts

Point of Contact :
Elizabeth A Nystrom, U.S. Geological Survey, New York Water Science Center
Process Contact :
Elizabeth A Nystrom, U.S. Geological Survey, New York Water Science Center
Originator :
Elizabeth A. Nystrom, Courtney J. Huston, Robert J. Welk
Metadata Contact :
Elizabeth A Nystrom, U.S. Geological Survey, New York Water Science Center
Publisher :
U.S. Geological Survey
SDC Data Owner :
New York Water Science Center
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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Gilead.xml
“Metadata XML”
Original FGDC Metadata
View 		44.47 KB application/fgdc+xml
Gilead_CapacityByDepthFt.csv 376.94 KB text/csv
Gilead_WaterSurfaceElevation_FtNAVD88.csv 2.3 KB text/csv
Gilead_GNSS_WaterSurfaceElevation_Observations.csv 170 Bytes text/csv
Gilead_SoundVelocity_AveragedProfiles.csv 660 Bytes text/csv
Gilead_SoundVelocity_MeasuredProfiles.csv 3.02 KB text/csv
Extension: Gilead_SD_ft_NAD83.zip
Gilead_SD_ft_NAD83.tfw 90 Bytes
Gilead_SD_ft_NAD83.tif 6.19 MB
Gilead_SD_ft_NAD83.tif-ColorRamp.SLD 2.07 KB
Shapefile: Gilead_QApoints.zip
Gilead_QApoints.dbf 1.5 MB
Gilead_QApoints.prj 424 Bytes
Gilead_QApoints.shp 162.66 KB
Gilead_QApoints.shx 46.54 KB
Extension: Gilead_Source_NAD83.zip
Gilead_Source_NAD83.tfw 90 Bytes
Gilead_Source_NAD83.tif 79.95 KB
Gilead_Source_NAD83.tif-ColorRamp.SLD 2.07 KB
Shapefile: Gilead_2ftContours.zip
Gilead_2ftContours.dbf 11.82 KB
Gilead_2ftContours.prj 424 Bytes
Gilead_2ftContours.shp 2.73 MB
Gilead_2ftContours.shx 1.38 KB
Extension: Gilead_ElevFt_NAD83.zip
Gilead_ElevFt_NAD83.tfw 90 Bytes
Gilead_ElevFt_NAD83.tif 6.19 MB
Gilead_ElevFt_NAD83.tif-ColorRamp.SLD 2.08 KB

Purpose

Data were collected to map the bathymetry of the New York City's East of Hudson drinking water reservoirs and controlled lakes (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) to aid management of the reservoirs.

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  • USGS New York Water Science Center

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