Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 41, Issue 18, Pages 6396-6402Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1002/2014GL060641
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Funding
- Swedish Research Council for Environment, Agricultural Sciences, and Spatial Planning, as a part of the project Color of Water
- Swedish National Infrastructure for Computing (SNIC) through Uppsala Multidisciplinary Center for Advanced Computational Science (UPPMAX) [s00111-69]
- United States National Science Foundation
- Swedish Research Council
- Virginia Space Grant Consortium
- University of Virginia Center for International Studies
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An accurate description of the abundance and size distribution of lakes is critical to quantifying limnetic contributions to the global carbon cycle. However, estimates of global lake abundance are poorly constrained. We used high-resolution satellite imagery to produce a GLObal WAter BOdies database (GLOWABO), comprising all lakes greater than 0.002 km(2). GLOWABO contains geographic and morphometric information for similar to 117 million lakes with a combined surface area of about 5 x 106 km(2), which is 3.7% of the Earth's nonglaciated land area. Large and intermediate-sized lakes dominate the total lake surface area. Overall, lakes are less abundant but cover a greater total surface area relative to previous estimates based on statistical extrapolations. The GLOWABO allows for the global-scale evaluation of fundamental limnological problems, providing a foundation for improved quantification of limnetic contributions to the biogeochemical processes at large scales.
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