1.ObjectivesAsabout99%ofthenaturalgashydrate(NGH)resourcesarestoredontheseafloor,itisinevitablethatinitsprocessofexplorationandproduction,therewillbegeohazardssuchasmethaneleakage,seabedsubsidence,ecosystemdamageandevenlandslide.Therefore,asetofintegratedsystemsforenvironmentalmonitoringintheprocessofNGHproductionhasbeenproposedintheconsiderationofenvironmentaldisastersthatmayariseintheprocessofhydrateproduction.