Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 566726
Title Global Heat Uptake by Inland Waters
Author(s) Vanderkelen, I.; Lipzig, N.P.M. van; Lawrence, D.M.; Droppers, B.; Golub, M.; Gosling, S.N.; Janssen, A.B.G.; Marcé, R.; Müller Schmied, H.; Perroud, M.; Pierson, D.; Pokhrel, Y.; Satoh, Y.; Schewe, J.; Seneviratne, S.I.; Stepanenko, V.M.; Tan, Z.; Woolway, R.I.; Thiery, W.
Source Geophysical Research Letters 47 (2020)12. - ISSN 0094-8276
Department(s) Water Systems and Global Change
Publication type Refereed Article in a scientific journal
Publication year 2020
Keyword(s) heat uptake - inland waters - lakes - reservoirs - rivers

Heat uptake is a key variable for understanding the Earth system response to greenhouse gas forcing. Despite the importance of this heat budget, heat uptake by inland waters has so far not been quantified. Here we use a unique combination of global-scale lake models, global hydrological models and Earth system models to quantify global heat uptake by natural lakes, reservoirs, and rivers. The total net heat uptake by inland waters amounts to 2.6 ± 3.2 ×1020 J over the period 1900–2020, corresponding to 3.6% of the energy stored on land. The overall uptake is dominated by natural lakes (111.7%), followed by reservoir warming (2.3%). Rivers contribute negatively (-14%) due to a decreasing water volume. The thermal energy of water stored in artificial reservoirs exceeds inland water heat uptake by a factor ∼10.4. This first quantification underlines that the heat uptake by inland waters is relatively small, but non-negligible.

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