File:Examples of groundwater systems Bierkens & Wada (2019) Environ Res Lett 14 063002 Fig 1.svg
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English: Original figure caption: Examples of groundwater systems with different age distributions; (a): in a phreatic aquifer in a humid region with a draining groundwater system; (b): in a similar groundwater system under semi-arid to arid conditions; (c): in a confined aquifer system. Groundwater in case (a) is renewable and in cases (b) and (c) non-renewable.
For details on the definition of non-renewable groundwater see text in the source work cited below. Explanation: unconfined aquifer, unsaturated (vadose) zone (+ soil water zone) confined aquifer or saturated (phreatic) zone of unconfined aquifer aquiclude P precipitationEp evapotranspiration Deutsch: Beispiele für Grundwassersysteme mit verschiedenen Altersverteilungen; (a): phreatischer (ungespannter) Grundwasserleiter in einer Region mit humidem Klima und Entwässerung des Grundwasserleiters in ein Oberflächengewässer; (b): ein ähnlich aufgebautes (d.h. phreatisches) Grundwassersystem, jedoch in einer Region mit semi-aridem bis aridem Klima; (c): gespannter, aber nicht vollständig vom Wasserkreislauf isolierter Grundwasserleiter. Für den Fall der kontinuierlichen Entnahme beträchtlicher Grundwassermengen für die menschliche Nutzung gilt das Grundwasser in (a) als erneuerbar, in (b) und (c) hingegen als nicht-erneuerbar. In Fall von (b) und (c) spricht man zudem, sofern in (c) zwischen dem Grundwasserneubildungsgebiet und dem Quellaustritt oder der Entnahmestelle erhebliche räumliche Distanzen liegen bzw. sofern zwischen der Infiltration des Grundwassers in den Aquifer und seinem Wiederaustritt an der Quelle oder seiner Entnahme über den künstlich angelegten Brunnen beträchtliche Zeiträume liegen (mindestens 12.000 Jahre gemäß der Definition nach Jasecko et al., 2017, siehe Quellenangaben in der unten als Quelle zitierten Arbeit), auch von fossilem Grundwasser. Legende: wasserdurchlässiges (permeables) Gestein: ungesättigte (vadose) Zone eines Aquifers (sensu lato) zzgl. Bodenwasserzone wasserdurchlässiges (permeables) Gestein: gesättigte (phreatische) Zone (Aquifer sensu stricto) wasserundurchlässiges (impermeables) Gestein, Grundwassernichtleiter (Aquiclud) P NiederschlagEp Evapotranspiration |
| Date | (original publication date) |
| Source | Fig. 1 in: Non-renewable groundwater use and groundwater depletion: a review. Environmental Research Letters 14(6):063002, doi:10.1088/1748-9326/ab1a5f. |
| Author |
Original work: Marc F. P. Bierkens, Yoshihide Wada slightly modified and edited (extracted from PDF and exported as SVG using LibreOffice Draw V 5.1.6.2, SVG manually edited using a text editor) by Gretarsson |
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This image was published in Environmental Research Letters journal. On the webpage that contains the HTML version of the respective article (see DOI link above) it is stated that the “original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence” and that “any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI”. |
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| current | 14:14, 28 September 2019 | | 567 × 567 (483 KB) | Gretarsson (talk | contribs) | {{Information |description ={{en|1=Original figure caption: ''Examples of groundwater systems with different age distributions; (a): in a phreatic aquifer in a humid region with a draining groundwater system; (b): in a similar groundwater system under semi-arid to arid conditions; (c): in a confined aquifer system. Groundwater in case (a) is renewable and in cases (b) and (c) non-renewable.''<br>For details on the definition of ''non-renewable groundwater'' see text in the source work cited... |
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