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Conductivity, temperature, and depth (CTD) data from nearshore coral reef locations along the west coast of Hawaii Island (2010-2014)

Dates

Publication Date
Start Date
2010-10-11
End Date
2014-09-20

Citation

Grossman, E.E., and Marrack, L., 2019, Nearshore water properties and estuary conditions along the coral reef coastline of west Hawaii Island (2010-2014): U.S. Geological Survey data release, https://doi.org/10.5066/F7154FJQ.

Summary

Conductivity-Temperature-Depth (CTD) profile data were collected along transects and across study areas of west Hawaii Island between 2010 and 2014. Measurements were made over a range of tide and weather conditions and help characterize the spatial extent and variability in estuarine conditions across the reef when grouped by 1 to 2-hour survey period or by season.

Contacts

Attached Files

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CTD_casts.csv 638.97 KB text/csv

Purpose

Spatial measurements of water temperature and salinity from a range of depths and distances from shore were collected to characterize the temporal and spatial variability in water temperatures that influence coral reef habitats, coral health and the vulnerability of coral to bleaching. These data also establish important baseline information with which to track and identify changes owing to climate and land use change, including changes in runoff of terrestrial water and contaminants that can affect the quality of habitat for corals, fish and other wildlife of concern. Along the arid west coast of Hawaii Island terrestrial inputs of water occur primarily in the form of groundwater and this study focused on examining the extent that groundwater inputs to the coast influences coral reef water temperatures, coral health, and potential cold water refugia where corals may find resilience in light of observed increases in global coral bleaching associated with rising sea surface temperatures.

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