Implications of Climate Change for Fresh Groundwater Resources in Coastal Aquifers in Bangladesh
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World Bank, Dhaka
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The objective of this study is to
improve understanding of the implications of climate change
for the groundwater systems in coastal Bangladesh. This is
achieved by: (a) obtaining available geologic, hydrologic,
and geochemical information on coastal aquifers of
Bangladesh; (b) developing groundwater flow and salt
transport models representing general features and
conditions along the coast of Bangladesh; and (c) simulating
potential changes in the groundwater systems due to various
aspects of human activity and climate change. The simulation
analysis will focus on both the pattern and response time of
the saltwater-freshwater distribution in subsurface
aquifers, with a view towards sustainability of current and
future water use under stress due to climate change. The
study is aimed at understanding processes and rates of
change for systems representative of a range of conditions
in coastal Bangladesh, but it is expected that regional and
local differences occur. Thus, only general conclusions and
guidance should be drawn from this work.
Palabras clave
ACCRETION, ADSORPTION, AGRICULTURAL WATER, AQUATIC RESOURCES, AQUIFER, ARSENIC, AUGMENTATION, BAY, BRACKISH WATER, CALIBRATION, CARBON, CHANNELS, CHEMISTRY, CHLORIDE, CLAY, CLAY CONTENT, CLIMATE CHANGE, COAST, COASTAL AREA, COASTAL COMMUNITIES, COASTAL DEVELOPMENT, COASTAL FISHERIES, COASTAL PLAIN, COASTAL REGION, COASTAL RESOURCES, COASTAL ZONE, COASTAL ZONE MANAGEMENT, COASTLINE, COLLOIDS, COMPACTION, CONDUCTIVITY, CONFLUENCE, CONSTRUCTION, COVERING, CRABS, CROP IRRIGATION, CROP YIELDS, DEEP WELLS, DELTA, DIFFUSION, DISCHARGE, DOMESTIC USE, DOMESTIC WATER, DRAINAGE, DRINKING WATER, EMISSIONS, ENGINEERING, ENVIRONMENTAL CONSERVATION, EROSION, EVAPORATION, EVAPOTRANSPIRATION, EXPORT, FARMERS, FARMING, FISHERIES, FLOOD IRRIGATION, FLOODING, FLOODS, FLOW REGIMES, FLUVIAL EROSION, FORESTRY, FRESHWATER, FRESHWATER FLUX, FRESHWATER RESOURCE, GAS, GRAVEL, GROUNDWATER, GROUNDWATER ABSTRACTION, GROUNDWATER PUMPING, GROUNDWATER QUALITY, GROUNDWATER RECHARGE, GROUNDWATER RESOURCES, HEAT, HIGH SEA, HUMIDITY, HYDRAULIC CONDUCTIVITY, HYDROGEOLOGY, HYDROLOGY, ICE, INFILTRATION, INTAKES, IRON, IRRIGATION, IRRIGATION WATER, ISLAND, LAND DEGRADATION, LAND SURFACE, LAND USE, LEAKAGE, LOW PERMEABILITY, LOW TIDE, MANGANESE, MANGROVE, MARINE FISHERIES, MEAN SEA LEVEL, MEASUREMENTS, METEOROLOGY, MINERAL RESOURCES, MINERALS, MONITORING PROGRAM, NATURAL RESOURCES, OBSERVATION WELL, OCEANS, PARTICULATE, PARTICULATE MATTER, PARTNERSHIP, PERMEABILITY, PH, PIPED WATER, POLLUTION, PONDS, POPULATION DENSITY, POROSITY, PRECIPITATION, PRESSURE, PROGRAMS, PUBLIC HEALTH, PUBLIC PARTICIPATION, PUMPING, PUMPING RATE, PUMPING WELLS, PUMPS, QUALITY OF WATER, RAINFALL, RIVER FLOW, RIVERS, RURAL DEVELOPMENT, SAFE WATER, SALINE CONDITIONS, SALINE WATER, SALINITY, SALT TRANSPORT, SALTWATER INTRUSION, SAND, SEA, SEA LEVEL, SEAWATER, SEDIMENT, SEDIMENTATION, SEDIMENTS, SHALLOW WELLS, SHRIMP, SILT, SPRINGS, STORM SURGE, SUBSIDENCE, SUBSURFACE WATER, SURFACE WATER, SUSTAINABLE MANAGEMENT, TECTONICS, THERMAL ENERGY, TIDE, TOPOGRAPHY, TRANSMISSIVITY, TSUNAMI, UNSATURATED ZONE, WATER BODY, WATER ELEVATION, WATER LEVEL, WATER MANAGEMENT, WATER NEEDS, WATER QUALITY, WATER RESOURCES PLANNING, WATER SUPPLY, WATER TABLE, WATER TABLE AQUIFERS, WATER USE, WATER WELLS, WATERS, WELL DRILLING, WELLS, WETLANDS, WIND SPEED