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. 2022 Oct 27;58(11):e2021WR031721. doi: 10.1029/2021WR031721

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© 2022 The Authors.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Sources of mean annual P over major African watersheds averaged over 1981–2016. (a) Shades of green represent vegetation‐sourced P over the watershed; shades of yellow represent precipitation originated from E _d. Blue represents the ocean‐originated precipitation. The size of each pie‐chart represents the magnitude of mean annual precipitation. (b) Contribution (%) of each watershed to the total continental E _t‐sourced precipitation. Figure S1 in Supporting Information S1 shows the corresponding names of the watersheds.