Distribution, frequency, and global extent of hypoxia in rivers
October 31, 2022
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).
Citation Information
| Publication Year | 2022 |
|---|---|
| Title | Distribution, frequency, and global extent of hypoxia in rivers |
| DOI | 10.5066/P99X6SIR |
| Authors | Joanna R. Blaszczak, Lauren E Koenig Snyder, Francine H Mejia, Lluis Gomez-Gener, Christopher L. Dutton, Alice M. Carter, Nancy B Grimm, Judson W. Harvey, Ashley Helton, Matthew J. Cohen, Emeka D. Anyanwu, Oleg S. Pokrovsky, Ivan V. Krickov, Rinat M. Manasypov, Sergey N. Vorobyev, Svetlana Serikova |
| Product Type | Data Release |
| Record Source | USGS Digital Object Identifier Catalog |
| USGS Organization | Forest and Rangeland Ecosystem Science Center (FRESC) Headquarters |
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Hypoxia in coastal waters and lakes is widely recognized as a detrimental environmental issue, yet we lack a comparable understanding of hypoxia in rivers. We investigated controls on hypoxia using 118 million paired observations of dissolved oxygen (DO) concentration and water temperature in over 125,000 locations in rivers from 93 countries. We found hypoxia (DO < 2 mg L−1) in 12.6% of all river
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