Abstract
Climate change is occurring increasingly complex and unpredictable, therefore the phenomenon of saltwater intrusion at coastal areas is also increasingly serious. The saltwater intrusion threatens the production and life of people in Nghe An’s coastal areas. Our study used MIKE11, MIKE 21 and ArcGIS software to assess the effects of saltwaters intrusion on agricultural land. The results indicate that the agricultural lands in Nghe An’s coastal areas are at high hazards of saltwater intrusion. Cua Lo town is the most affected by the saltwater intrusion, typically with land for cultivation of perennial trees (BHK), paddy land (LUC, LUK), land for production forests (RST), and land for aquaculture (TSL) are at high risk from the base (with more than 90 % of the total land area).
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