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  2. Pacific Coastal and Marine Science Center
  3. Structure-from-motion derived orthomosaic imagery and digital surface models (DSMs) from the intertidal region at Whale's Tail Marsh, South San Francisco Bay, CA
  4. Digital Surface Models (DSMs) of the Whale's Tail Marsh region, South San Francisco Bay, CA

Digital Surface Models (DSMs) of the Whale's Tail Marsh region, South San Francisco Bay, CA

Dates

Publication Date
Time Period
2021-05-30
Time Period
2021-09-09
Time Period
2021-11-14
Time Period
2022-02-10
Time Period
2022-05-19

Citation

Logan, J.B., Winklerprins, L.T., and Lacy, J.R., 2023, Structure-from-motion derived orthomosaic imagery and digital surface models (DSMs) from the intertidal region at Whale's Tail Marsh, South San Francisco Bay, CA: U.S. Geological Survey data release, https://doi.org/10.5066/P9L9R2VS.

Summary

This portion of the data release presents digital surface models (DSM) of the Whale's Tail Marsh region of South San Francisco Bay, CA. The DSMs have resolutions of 5 centimeters per pixel and were derived from structure-from-motion (SfM) processing of repeat aerial imagery collected from fixed-wing aircraft. Unlike a digital elevation model (DEM), a DSM represents the elevation of the highest object within the bounds of a cell. Vegetation, structures, and other objects have not been removed from the data. The raw imagery used to create these elevation models was acquired from an approximate altitude of 427 meters (1,400 feet) above ground level (AGL), using a Hasselblad A6D-100c camera fitted with an HC 80 lens, resulting in a nominal [...]

Contacts

Point of Contact :
PCMSC Science Data Coordinator
Originator :
Joshua Logan, Lukas (Contractor) T Winklerprins, Jessica R Lacy
Metadata Contact :
PCMSC Science Data Coordinator
Publisher :
U.S. Geological Survey, U.S. Geological Survey - ScienceBase
USGS Mission Area :
Natural Hazards
Data Owner :
Pacific Coastal and Marine Science Center
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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WhaleTailMarsh_DSM_metadata.xml
Original FGDC Metadata
View 		36.75 KB application/fgdc+xml
WhaleTailMarsh_2021-05-30_south_DSM_5cm.tif 1.97 GB image/tiff
WhaleTailMarsh_2021-09-09_south_DSM_5cm.tif 2.55 GB image/tiff
WhaleTailMarsh_2021-09-09_north_DSM_5cm.tif 2.7 GB image/tiff
WhaleTailMarsh_2021-05-30_north_DSM_5cm.tif 2.71 GB image/tiff
WhaleTailMarsh_2021-11-14_south_DSM_5cm.tif 1.83 GB image/tiff
WhaleTailMarsh_2021-11-14_north_DSM_5cm.tif 2.38 GB image/tiff
WhaleTailMarsh_2022-02-10_north_DSM_5cm.tif 3.05 GB image/tiff
WhaleTailMarsh_2022-02-10_south_DSM_5cm.tif 3.01 GB image/tiff
WhaleTailMarsh_2022-05-19_north_DSM_5cm.tif 2.29 GB image/geotiff
WhaleTailMarsh_2022-05-19_south_DSM_5cm.tif 1.54 GB image/geotiff
WhaleTailMarsh_DSM_browse_image.jpg
“Color-shaded relief image of south Whale's Tail Marsh DSM (2022-02-10)” 		thumbnail 695.6 KB image/jpeg
WhaleTailMarsh_2022-05-19_northeast_DSM_5cm.tif 3.42 GB image/geotiff

Purpose

These data are intended to be used to characterize the seasonal patterns and rates of change in the position and morphology of the Whale's Tail marsh in South San Francisco Bay, in California.
Color-shaded relief image of south Whale's Tail Marsh DSM (2022-02-10)
Color-shaded relief image of south Whale's Tail Marsh DSM (2022-02-10)

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  • Pacific Coastal and Marine Science Center

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