海床温度对区域海底滑坡灾害后果的影响分析

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中图分类号：TU42 文献标志码：A 文章编号：2095-2945（2025）23-0006-05

Abstract：Thispaper aims to studytheimpactof seabed temperature changes onthe consequencesof submarine landslides， andprovidetheoreticalsupportfortheformulationanddecision-makingofmarineengineringsiteselection，infrastructure planninganddesign，andmarineengineringgeologicaldisasterpreventionandcontrolmeasures.Basedontheregional-scale submarinelandslidemotionpredictionmodelandtherheologicaltestdataoftheslidematerialtakenfromthenorthernslopeof the SouthChina Sea，theimpactrange，impactspeedandother disasterconsequences indicatorsof submarine landslides with the samematerialsandinitialontionsunderdfrenttmperatureconitionsarequantiativelyvaluated，andtheinfluencelawsof temperaturechangesontheimpactrangeandspedoftheslidebodyareanalyzed.Theresearchresultsshowthatasthe temperatureincreases，theimpactrangeofthesubmarinelandslideincreasessignfcantly；theimpactthicknessandspeedof the slidingbodyatthesamepositionaresignificantlydferentatdiferenttemperatures，butnomonotonicrelationshipisobserved; ignoringtheimpactofchangesintheseabedtemperaturewillreducetheaccuracyoftheimpactrangeandimpactstrength assessmentresultsoftheslidingbody，resultinginunreliableriskprediction.Themethodinthispapercanalsoquantitatively assessthe disasterconsequencesof seabedtemperaturechangesonpotential seabedlandslidesinotherseaareas，andisof great significance to the planning and design of practical projects and disaster prevention and control.

Keywords：regional geological disaster;submarine landslide;impact range; impact speed;seabed temperature

海底滑坡是由自然或人类活动诱发的海床土体顺坡向下运动的现象I。（剩余7785字）