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  4. Distribution, frequency, and global extent of hypoxia in rivers

Distribution, frequency, and global extent of hypoxia in rivers

Dates

Publication Date
Start Date
1901-01-01
End Date
2019-12-31

Citation

Blaszczak, J.R., Koenig, L.E., Mejia, F.H., Gómez-Gener, L., Dutton, C.L., Carter, A.M., Grimm, N.B., Harvey, J.W., Helton, A.M., Cohen, M.J., Anyanwu, E.D., Pokrovsky, O.S., Krickov, I.V., Manasypov, R.M., Vorobyev, S.N., and Serikova, S., 2021, Distribution, frequency, and global extent of hypoxia in rivers: U.S. Geological Survey data release, https://doi.org/10.5066/P99X6SIR.

Summary

To assess the distribution, frequency, and global extent of riverine hypoxia, we compiled 118 million paired dissolved oxygen (DO) and water temperature measurements from 125,158 unique locations in rivers in 93 countries and territories across the globe. The dataset also includes site characteristics derived from StreamCat, the National Hydrography and HydroAtlas datasets and proximal land cover derived from MODIS-based IGBP land cover types compiled using Google Earth Engine (GEE).

Contacts

Point of Contact :
Joanna R. Blaszczak, Department of Natural Resources and Environmental Science, University of Nevada, Reno
Originator :
Joanna R. Blaszczak, Lauren E. Koenig, Francine H. Mejia, Lluís Gómez-Gener, Christopher L. Dutton, Alice M. Carter, Nancy B. Grimm, Judson W. Harvey, Ashley M. Helton, Matthew J. Cohen, Emeka D. Anyanwu, Oleg S. Pokrovsky, Ivan V. Krickov, Rinat M. Manasypov, Sergey N. Vorobyev, Svetlana Serikova
Metadata Contact :
Joanna R. Blaszczak, Department of Natural Resources and Environmental Science, University of Nevada, Reno
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Forest and Rangeland Ecosystem Science Center
USGS Mission Area :
Water Resources

Attached Files

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Distribution, frequency, and global extent of hypoxia in rivers.xml
Original FGDC Metadata
View 		144.99 KB application/fgdc+xml
Distribution, frequency, and global extent of hypoxia in rivers.zip
“Data, scripts, metadata, and README files” 		26.68 MB application/zip

Purpose

We compiled paired dissolved oxygen and water temperature from all publicly available data sources across the globe to investigate the controls on the spatial extent and frequency of hypoxic events in rivers. We estimated stream channel slope, Strahler stream order and proximal land cover as potential covariates to explain variation in dissolved oxygen concentrations. We also determined net ecosystem productivity (NEP) and reaeraeration coefficients to predict the occurrence of hypoxia in rivers.

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  • Forest and Rangeland Ecosystem Science Center (FRESC)
  • USGS Data Release Products

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P99X6SIR

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