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- W3206153627 abstract "In this study, we developed two-dimensional hydrodynamic age expressions for the free-surface aquifer problem required for radiocarbon data interpretation in terms of recharge. Time-varying recharge is accounted for in fully transient or pseudo-steady state alternative analytical expressions applying to weakly or highly hydraulically reactive unconfined aquifers, respectively. These expressions extend the well-known model proposed by Vogel in 1967 and represent a convenient alternative approach to the more complex numerical solution of a particle tracking problem considering climate variability. An application of the developed expressions was carried out to assess past (40 Kyr) and present recharge rates for the North Western Sahara Aquifer System (NWSAS) and the Djeffara plain (Tunisia-Libya). Using the available 14C data at different outcrops, we obtained local recharge values ranging from 0.2 ± 1.7 to 4.5 ± 3.2 mm yr−1. Here, it is shown that using the standard purely steady-state model for radiocarbon interpretation leads to a present recharge overestimation of up to 360%. A linear relation between the present recharge and the average annual rainfall was obtained and used to identify the regional distribution of the recharge and domain-averaged values. Global values of 1.6 ± 2.3 mm yr−1 for the NWSAS and 3.5 ± 2.3 mm yr−1 for the Djeffara are in excellent agreement with the values obtained by hydrogeological models and derived using Satellite gravity data. The relation between recharge and rainfall obtained here can be used as a first-order estimate for hydrogeological modeling or water management analysis for aquifers in the Saharan area." @default.
- W3206153627 created "2021-10-25" @default.
- W3206153627 creator A5026376768 @default.
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- W3206153627 creator A5054403635 @default.
- W3206153627 creator A5082624923 @default.
- W3206153627 creator A5088257440 @default.
- W3206153627 date "2021-11-01" @default.
- W3206153627 modified "2023-09-25" @default.
- W3206153627 title "Analytical Expressions of Radiocarbon Distribution in Transient State Unconfined Aquifers and Their Application to Determination of Past and Present Recharges of North Africa Aquifers" @default.
- W3206153627 cites W1021248398 @default.
- W3206153627 cites W113004022 @default.
- W3206153627 cites W1502904046 @default.
- W3206153627 cites W1502971564 @default.
- W3206153627 cites W1536799847 @default.
- W3206153627 cites W1667754230 @default.
- W3206153627 cites W1692681148 @default.
- W3206153627 cites W1786153128 @default.
- W3206153627 cites W1825003476 @default.
- W3206153627 cites W1850102372 @default.
- W3206153627 cites W1852036599 @default.
- W3206153627 cites W1969715815 @default.
- W3206153627 cites W1973579103 @default.
- W3206153627 cites W1976844152 @default.
- W3206153627 cites W1980082876 @default.
- W3206153627 cites W1983871760 @default.
- W3206153627 cites W1988123755 @default.
- W3206153627 cites W1988659304 @default.
- W3206153627 cites W1993930401 @default.
- W3206153627 cites W1996924361 @default.
- W3206153627 cites W2002934672 @default.
- W3206153627 cites W2006640802 @default.
- W3206153627 cites W2013209060 @default.
- W3206153627 cites W2016272617 @default.
- W3206153627 cites W2018031694 @default.
- W3206153627 cites W2018488321 @default.
- W3206153627 cites W2025359105 @default.
- W3206153627 cites W2025572815 @default.
- W3206153627 cites W2026914877 @default.
- W3206153627 cites W2030368947 @default.
- W3206153627 cites W2030660917 @default.
- W3206153627 cites W2032256856 @default.
- W3206153627 cites W2035340352 @default.
- W3206153627 cites W2038387128 @default.
- W3206153627 cites W2039203839 @default.
- W3206153627 cites W2042968364 @default.
- W3206153627 cites W2046654411 @default.
- W3206153627 cites W2047082143 @default.
- W3206153627 cites W2047141058 @default.
- W3206153627 cites W2047407948 @default.
- W3206153627 cites W2048474802 @default.
- W3206153627 cites W2050327051 @default.
- W3206153627 cites W2051330426 @default.
- W3206153627 cites W2051341263 @default.
- W3206153627 cites W2051990775 @default.
- W3206153627 cites W2052611397 @default.
- W3206153627 cites W2057139065 @default.
- W3206153627 cites W2061460900 @default.
- W3206153627 cites W2062754251 @default.
- W3206153627 cites W2063857958 @default.
- W3206153627 cites W2066739634 @default.
- W3206153627 cites W2074476072 @default.
- W3206153627 cites W2088699657 @default.
- W3206153627 cites W2090524817 @default.
- W3206153627 cites W2108123187 @default.
- W3206153627 cites W2110149158 @default.
- W3206153627 cites W2111092308 @default.
- W3206153627 cites W2114084115 @default.
- W3206153627 cites W2116463846 @default.
- W3206153627 cites W2121829211 @default.
- W3206153627 cites W2131546880 @default.
- W3206153627 cites W2136820538 @default.
- W3206153627 cites W2141885053 @default.
- W3206153627 cites W2142003303 @default.
- W3206153627 cites W2151984094 @default.
- W3206153627 cites W2153892536 @default.
- W3206153627 cites W2182858843 @default.
- W3206153627 cites W2207595338 @default.
- W3206153627 cites W2318568168 @default.
- W3206153627 cites W2482535668 @default.
- W3206153627 cites W2485746975 @default.
- W3206153627 cites W2546716749 @default.
- W3206153627 cites W2561477190 @default.
- W3206153627 cites W2565962924 @default.
- W3206153627 cites W2579481779 @default.
- W3206153627 cites W2589202187 @default.
- W3206153627 cites W2593218306 @default.
- W3206153627 cites W2626645031 @default.
- W3206153627 cites W2735384632 @default.
- W3206153627 cites W2751566118 @default.
- W3206153627 cites W2765861000 @default.
- W3206153627 cites W2766349152 @default.
- W3206153627 cites W2790602733 @default.
- W3206153627 cites W2791802628 @default.
- W3206153627 cites W2805423617 @default.
- W3206153627 cites W2808465493 @default.
- W3206153627 cites W2900425301 @default.
- W3206153627 cites W2922661695 @default.
- W3206153627 cites W2980578892 @default.
- W3206153627 cites W3004021384 @default.