Fossil groundwater resources as a basis for arid zone development?

Tsur, Yacov; Park, Hokyoun; Issar, Arie S.

doi:10.1080/07900628908722433

Cited by 15 publications

(5 citation statements)

References 22 publications

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“…Fossil water is often associated with fossil hydraulic gradients and may be loosely, but commonly defined as water recharged during the wetter periods 10,000 to 30,000 years ago [101,108]. Others have defined fossil groundwater on a process level, that the present rate of recharge is negligible in comparison to the extent and groundwater storage in the modern aquifer [109,110]. The existence of fossil hydraulic gradients and fossil water was postulated to occur due to the fact that current groundwater levels in some aquifers seem to be inconsistent with modern recharge and discharge rates.…”

Section: Flow Capacity Fossil Hydraulic Gradients and Groundwater Mod...mentioning

confidence: 99%

Commentary and Review of Modern Environmental Problems Linked to Historic Flow Capacity in Arid Groundwater Basins

Hibbs

2022

Geosciences

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Environmental problems may develop in groundwater basins when water levels change due to long-term wetter or drier climate or land development. A term related to water-level elevation is flow capacity, which develops in aquifers when the water table is at or very close to land surface. Non-capacity develops in systems where the water table is too deep for capillary water to reach the land surface. Flow capacity is the maximum amount of water that an aquifer can transmit. Sufficient moisture is not available for flow capacity to be established in most aquifers in arid zones and these aquifers are at non-capacity, but many aquifers in today’s deserts were at flow capacity when paleoclimates were cooler and moister during the late Pleistocene. Climate change and anthropogenic activities can cause aquifers to move toward flow capacity but in the last 15,000 years, almost always toward non-capacity. This paper reviews environmental and geotechnical problems associated with the transition of groundwater basins from flow capacity to non-capacity, and vice versa. Five relevant topics are discussed and evaluated: (1) The effects of flow capacity and non-capacity on groundwater basins targeted for waste repositories; (2) The salt contamination of groundwater where flow capacity was present in the Late Pleistocene and is no longer present; (3) Trace element enrichment in salt crusts in playa sediments and environmental risks to groundwater when the flow systems transition from flow capacity to non-capacity; (4) The development and retention of environmental tracers in arid groundwater flow systems at flow capacity that cannot be explained under conditions of non-capacity; and (5) The relationship of flow capacity to fossil hydraulic gradients and non-equilibrium conditions where there is little groundwater extraction. A case example is provided with each of these topics to demonstrate relevance and to provide an understanding of topics as they relate to land management.

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Section: Flow Capacity Fossil Hydraulic Gradients and Groundwater Mod...mentioning

confidence: 99%

Commentary and Review of Modern Environmental Problems Linked to Historic Flow Capacity in Arid Groundwater Basins

Hibbs

2022

Geosciences

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“…When present extractions exceed recharge, the groundwater stock will be smaller, scarcer and more expensive to extract tomorrow; thus, dynamic models ought to be used. The literature on intertemporal (dynamic) exploitation of renewable resources in general and groundwater resources in particular is vast (see, for example, Burt, 1964b, Cummings and Winkelman, 1970, Domenico et al, 1968, Feinerman, 1988, Tsur et al, 1989.…”

Section: Dynamic Modelsmentioning

confidence: 99%

The Economics of Conjunctive Ground and Surface Water Irrigation Systems: Basic Principles and Empirical Evidence from Southern California

Tsur

1997

Decentralization and Coordination of Water Resource Management

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“…Over the past few decades, a considerable number of studies have attempted to quantify the economic value of groundwater in various locations worldwide and have explored improved groundwater management systems (e.g., Burt, 1964;Kim et al, 1989;Tsur, 1990;Tsur & Graham-Tomasi, 1991;Ramasamy, 1996;Amigues et al, 1997;National Research Council, 1997;Hernández-Mora et al, 2003;Pulido-Velázquez et al, 2004;Ranganathan & Palanisami, 2004;Syaukat & Fox, 2004;Kakumanu & Bauer, 2008;Diao et al, 2008;Palanisami et al, 2008;Marques et al, 2010;Ananthini & Palanisami 2010;Reichard et al, 2010;Nanthakumaran & Palanisami, 2011;Gomez & Rola, 2011;Palanisami et al, 2012;Kovacs et al, 2015;Rouhi Rad et al, 2017;Foster et al, 2017;MacEwan et al, 2017;Ashwell et al, 2018;Quintana-Ashwell & Gholson, 2022;Msangi & Hejazi, 2022). Most of these attempts are grounded in theoretical frameworks traced back to Tsur's seminal papers on the buffering role of groundwater (Tsur et al, 1989;Tsur, 1990;Tsur & Graham-Tomas, 1991;Gemma & Tsur, 2007).…”

Section: Introductionmentioning

confidence: 99%

重新审视地下水的经济价值

Zhang,

Sato

2024

Preprint

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This paper revisits the theoretical framework of computing the economic value of groundwater in a dynamic context. Specifically, we prove that an additional type of economic value exists, that is, the dynamic reallocation value (DRV), which has been overlooked in existing studies, and we propose a new construction of the total economic value of groundwater with social implications for the role of groundwater in climate adaptation. We examine the existence of this new value and its underlying behavioural mechanism using a simple two-stage model, and then generalise the specification to a dynamic model with an arbitrary number of stages. We find that behind the positive values of DRV, users intentionally destabilize total water use by amplifying their reactions against surface water fluctuations and still realize a higher total expected benefit than in the case without uncertainty. We show that this behaviour is an intertemporal reallocation of groundwater intake against changes in intertemporal cost allocations caused by the users’ stabilizing behaviours. Disregarding the DRV underestimates the economic value of groundwater as an essential instrument for climate adaptation.

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Fossil groundwater resources as a basis for arid zone development?

Cited by 15 publications

References 22 publications

Commentary and Review of Modern Environmental Problems Linked to Historic Flow Capacity in Arid Groundwater Basins

Commentary and Review of Modern Environmental Problems Linked to Historic Flow Capacity in Arid Groundwater Basins

The Economics of Conjunctive Ground and Surface Water Irrigation Systems: Basic Principles and Empirical Evidence from Southern California

重新审视地下水的经济价值

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