Review article: Drought as a continuum: memory effects in interlinked hydrological, ecological, and social systems

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Van Loon, Anne F. (author)

Review article: Drought as a continuum: memory effects in interlinked hydrological, ecological, and social systems

BookEnglish2024

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2024
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LIBRIS-ID:oai:DiVA.org:uu-524359
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-524359URI
https://doi.org/10.5194/egusphere-2024-421DOI

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Language:English
Summary in:English

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SwePubSwePub

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Subject category:vet swepub-contenttype
Subject category:ovr swepub-publicationtype

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Droughts are often long lasting phenomena, without a distinct start or end, and with impacts cascading across sectors and systems, creating long-term legacies. Nevertheless, our current perception and management of droughts and their impacts is often event-based, which can limit the effective assessment of drought risks and reduction of drought impacts. Here, we advocate for changing this perspective and viewing drought as a hydro-eco-social continuum. We take a systems theory perspective and focus on how “memory” causes feedback and interactions between parts of the interconnected systems at different time scales. We first discuss the characteristics of the drought continuum with a focus on the hydrological, ecological, and social systems separately; and then study the system of systems. Our analysis is based on a review of the literature and a study of five cases: Chile, the Colorado River Basin in the US, Northeast Brazil, Kenya, and the Rhine River Basin in Northwest Europe. We find that the memories of past dry and wet periods, carried by both bio-physical (e.g. groundwater, vegetation) and social systems (e.g. people, governance), influence how future drought risk manifests. We identify four archetypes of drought dynamics: Impact & recovery; Slow resilience-building; Gradual collapse; and High resilience, big shock. The interactions between the hydrological, ecological and social systems result in systems shifting between these types, which plays out differently in the five case studies. We call for more research on drought preconditions and recovery in different systems, on dynamics cascading between systems and triggering system changes, and on dynamic vulnerability and maladaptation. Additionally, we argue for more continuous monitoring of drought hazards and impacts, modelling tools that better incorporate memories and adaptation responses, and management strategies that increase social and institutional memory to better deal with the complex hydro-eco-social drought continuum and identify effective pathways to adaptation.

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Kchouk, Sarra (author)
Matanó, Alessia (author)
Tootoonchi, Faranak (author)
Alvarez-Garreton, Camila (author)
Hassaballah, Khalid E. A. (author)
Wu, MinchaoUppsala universitet,Luft-, vatten- och landskapslära (author)
Wens, Marthe L. K. (author)
Shyrokaya, AnastasiyaUppsala universitet,Luft-, vatten- och landskapslära (author)
Ridolfi, Elena (author)
Biella, RiccardoUppsala universitet,Luft-, vatten- och landskapslära (author)
Nagavciuc, Viorica (author)
Barendrecht, Marlies H. (author)
Bastos, Ana (author)
Cavalcante, Louise (author)
de Vries, Franciska T. (author)
Garcia, Margaret (author)
Mård, JohannaUppsala universitet,Luft-, vatten- och landskapslära (author)
Streefkerk, Ileen N. (author)
Teutschbein, ClaudiaUppsala universitet,Luft-, vatten- och landskapslära(Swepub:uu)clate118 (author)
Tootoonchi, Roshanak (author)
Weesie, Ruben (author)
Aich, Valentin (author)
Boisier, Juan P. (author)
Di Baldassarre, GiulianoUppsala universitet,Luft-, vatten- och landskapslära (author)
Du, Yiheng (author)
Galleguillos, Mauricio (author)
Garreaud, René (author)
Ionita, Monica (author)
Khatami, Sina (author)
Koehler, Johanna K. L. (author)
Luce, Charles H. (author)
Maskey, Shreedhar (author)
Mendoza, Heidi D. (author)
Mwangi, Moses N. (author)
Pechlivanidis, Ilias G. (author)
Ribeiro Neto, Germano G. (author)
Roy, Tirthankar (author)
Stefanski, Robert (author)
Trambauer, Patricia (author)
Koebele, Elizabeth A. (author)
Vico, Giulia (author)
Werner, Micha (author)
Uppsala universitetLuft-, vatten- och landskapslära (creator_code:org_t)

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By the author/editor: Van Loon, Anne F ...; Kchouk, Sarra; Matanó, Alessia; Tootoonchi, Fara ...; Alvarez-Garreton ...; Hassaballah, Kha ...; show more...; Wu, Minchao; Wens, Marthe L. ...; Shyrokaya, Anast ...; Ridolfi, Elena; Biella, Riccardo; Nagavciuc, Viori ...; Barendrecht, Mar ...; Bastos, Ana; Cavalcante, Loui ...; de Vries, Franci ...; Garcia, Margaret; Mård, Johanna; Streefkerk, Ilee ...; Teutschbein, Cla ...; Tootoonchi, Rosh ...; Weesie, Ruben; Aich, Valentin; Boisier, Juan P.; Di Baldassarre, ...; Du, Yiheng; Galleguillos, Ma ...; Garreaud, René; Ionita, Monica; Khatami, Sina; Koehler, Johanna ...; Luce, Charles H.; Maskey, Shreedha ...; Mendoza, Heidi D ...; Mwangi, Moses N.; Pechlivanidis, I ...; Ribeiro Neto, Ge ...; Roy, Tirthankar; Stefanski, Rober ...; Trambauer, Patri ...; Koebele, Elizabe ...; Vico, Giulia; Werner, Micha; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Earth and Relate ...; and Oceanography Hyd ...

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