Progress and prospects in drought propagation research part II: Influencing factors and research prospects
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Abstract:
Regarding?the?three?factors?that?affect?drought?propagation,?climate?factors?are?divided?into?precipitation, temperature,?wind?direction,?and?atmospheric?circulation.?Underlying?surface?factors?are?divided?into?geology?and landforms,?vegetation,?and?soil、Human?activity?factors?are?divided?into?land?use?and?change?and?water?resource development?and?utilization.?A?systematic?review?is?conducted?on?the?relevant?factors?that?control?and?affect?drought propagation ?and ?their ?change ?in ?different ?countries ?and ?regions. ?It ?is ?particularly ?pointed ?out ?that ?climate ?and underlying?surface?factors?may?exhibit?significant?differences?in?the?impact?of?drought?propagation?processes?at different ?locations ?and ?time. ?The ?in-depth ?investigation ?of ?the ?drought ?propagation ?process ?and ?its ?influencing factors?and?mechanism?can?help?to?promote?the?level?of?drought?monitoring?and?early?warning?and?reduce?the negative?impacts?of?drought?disasters?on?the?economy,?society,?and?ecological?environment.?Furthermore,?prospects are ?made ?for ?the ?integration ?of ?multi-source ?data ?and ?multiple ?models, ?three-dimensional ?drought ?propagation processes,?drought?propagation?driving?mechanisms,?and?extension?of?the?drought?disaster?chain.
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