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MANGROVES AND COASTAL WETLANDS ARE SOME OF THE MOST CARBON DENSE ECOSYSTEMS AROUND THE WORLD. THE LOCATIONS OF THESE ECOSYSTEMS ALONG COASTLINES MAKE THEM SUSCEPTIBLE TO AREAS OF POPULATION GROWTH AND PROJECTED SEA LEVEL RISE. AT THE CURRENT RATE OF SEA LEVEL RISE ~3 MM PER YEAR AND THE REPORTED ACCELERATION IN SEA LEVEL RISE COASTAL WETLANDS ARE AND WILL BE EXPOSED TO LONGER INUNDATION PERIODS THAT COVER LARGER AREAS. COMPOUNDING FACTORS SUCH AS TROPICAL STORMS TEMPERATURE EXTREMES RAINFALL UNCERTAINTY AND REDUCED DOWNSTREAM FRESHWATER FLOWS CAN AMPLIFY THE EFFECTS OF SALTWATER INTRUSION LEADING TO RAPID CHANGES IN THE ABOVE AND BELOW GROUND ENVIRONMENTS. INCREASED SALINITY AND INUNDATION CAN LEAD TO ALTERATIONS IN BIOGEOCHEMICAL CYCLES SOIL MICROBIAL ACTIVITY OSMOTIC STRESS PLANT PRODUCTION AND COMMUNITY DYNAMICS ALL OF WHICH INFLUENCE THE STABILITY OF THE ORGANIC-RICH SOILS AND CARBON CYCLING. THE MAIN OBJECTIVES OF THE PROPOSED STUDY WILL BE TO DEVELOP AND APPLY NEW REMOTE SENSING MODELING TECHNIQUES TO IDENTIFY THE VULNERABILITY OF PEAT COLLAPSE AS A RESULT OF SALTWATER INTRUSION AND INCREASED INUNDATION. ULTIMATELY IMPROVING THE ASSESSMENT OF BLUE CARBON SEQUESTRATION BY PREDICTING AND MODELING ANY SHIFTS IN THE STORAGE OR EMISSIVE CAPABILITIES OF CARBON FROM PEAT SOILS. SOUTH FLORIDA AND THE EVERGLADES SET THE STAGE FOR THE ADVANCEMENT OF COASTAL CARBON DYNAMICS BECAUSE OF THE EMPHASIS FROM CONGRESSIONAL DIRECTIVES FOR RESTORATION ITS JUXTAPOSITION TO A GROWING URBAN POPULATION AND THE CONSUMPTION OF WATER RESOURCES. TO THIS END WATER MANAGERS AND ENVIRONMENTALISTS ARE TASKED WITH CRUCIAL DECISIONS THAT HAVE STRONG SOCIETAL AND ENVIRONMENTAL CONSEQUENCES THAT ARE MIRRORED IN OTHER COASTAL REGIONS AROUND THE WORLD. THE PROPOSED STUDY ADDRESSES GOAL 2 OF NASA S STRATEGIC PLAN BY IMPROVING THE DETECTION AND PREDICTION CAPABILITIES OF VARIOUS NASA AND COMMERCIAL REMOTE SENSING TECHNOLOGIES TO UNDERSTAND THE EFFECTS OF CLIMATE CHANGE SEA LEVEL RISE AND SALTWATER INTRUSION ON THE HYDROLOGY AND ECOLOGY OF THREATENED COASTAL LANDSCAPES. THROUGH THE LEVERAGING OF CURRENTLY ACTIVE FIELD OBSERVATIONS IN THE EVERGLADES THE LANDSAT ARCHIVE AND THE ASSIMILATION OF VARIOUS OTHER REMOTE SENSING TECHNIQUES (E.G. RADAR LIDAR OPTICAL) THE PROPOSED STUDY WILL PROVIDE SCIENTIFIC ADVANCES IN MONITORING CHANGES IN BLUE CARBON ECOSYSTEMS LINK COASTAL HYDROLOGY AND CARBON CYCLING AND PROVIDE EFFECTIVE PREDICTION SYSTEMS AND DECISION SUPPORT TOOLS TO HELP WATER MANAGERS AND ENVIRONMENTALISTS IN MITIGATING THE EFFECTS OF SEA LEVEL RISE.

$106,466FY2020National Aeronautics and Space AdministrationNASA

University Of Maryland, College Park, College Park MD

Investigators

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MANGROVES AND COASTAL WETLANDS ARE SOME OF THE MOST CARBON DENSE ECOSYSTEMS AROUND THE WORLD. THE LOCATIONS OF THESE ECOSYSTEMS ALONG COASTLINES MAKE THEM SUSCEPTIBLE TO AREAS OF POPULATION GROWTH AND PROJECTED SEA LEVEL RISE. AT THE CURRENT RATE OF SEA LEVEL RISE ~3 MM PER YEAR AND THE REPORTED ACCELERATION IN SEA LEVEL RISE COASTAL WETLANDS ARE AND WILL BE EXPOSED TO LONGER INUNDATION PERIODS THAT COVER LARGER AREAS. COMPOUNDING FACTORS SUCH AS TROPICAL STORMS TEMPERATURE EXTREMES RAINFALL UNCERTAINTY AND REDUCED DOWNSTREAM FRESHWATER FLOWS CAN AMPLIFY THE EFFECTS OF SALTWATER INTRUSION LEADING TO RAPID CHANGES IN THE ABOVE AND BELOW GROUND ENVIRONMENTS. INCREASED SALINITY AND INUNDATION CAN LEAD TO ALTERATIONS IN BIOGEOCHEMICAL CYCLES SOIL MICROBIAL ACTIVITY OSMOTIC STRESS PLANT PRODUCTION AND COMMUNITY DYNAMICS ALL OF WHICH INFLUENCE THE STABILITY OF THE ORGANIC-RICH SOILS AND CARBON CYCLING. THE MAIN OBJECTIVES OF THE PROPOSED STUDY WILL BE TO DEVELOP AND APPLY NEW REMOTE SENSING MODELING TECHNIQUES TO IDENTIFY THE VULNERABILITY OF PEAT COLLAPSE AS A RESULT OF SALTWATER INTRUSION AND INCREASED INUNDATION. ULTIMATELY IMPROVING THE ASSESSMENT OF BLUE CARBON SEQUESTRATION BY PREDICTING AND MODELING ANY SHIFTS IN THE STORAGE OR EMISSIVE CAPABILITIES OF CARBON FROM PEAT SOILS. SOUTH FLORIDA AND THE EVERGLADES SET THE STAGE FOR THE ADVANCEMENT OF COASTAL CARBON DYNAMICS BECAUSE OF THE EMPHASIS FROM CONGRESSIONAL DIRECTIVES FOR RESTORATION ITS JUXTAPOSITION TO A GROWING URBAN POPULATION AND THE CONSUMPTION OF WATER RESOURCES. TO THIS END WATER MANAGERS AND ENVIRONMENTALISTS ARE TASKED WITH CRUCIAL DECISIONS THAT HAVE STRONG SOCIETAL AND ENVIRONMENTAL CONSEQUENCES THAT ARE MIRRORED IN OTHER COASTAL REGIONS AROUND THE WORLD. THE PROPOSED STUDY ADDRESSES GOAL 2 OF NASA S STRATEGIC PLAN BY IMPROVING THE DETECTION AND PREDICTION CAPABILITIES OF VARIOUS NASA AND COMMERCIAL REMOTE SENSING TECHNOLOGIES TO UNDERSTAND THE EFFECTS OF CLIMATE CHANGE SEA LEVEL RISE AND SALTWATER INTRUSION ON THE HYDROLOGY AND ECOLOGY OF THREATENED COASTAL LANDSCAPES. THROUGH THE LEVERAGING OF CURRENTLY ACTIVE FIELD OBSERVATIONS IN THE EVERGLADES THE LANDSAT ARCHIVE AND THE ASSIMILATION OF VARIOUS OTHER REMOTE SENSING TECHNIQUES (E.G. RADAR LIDAR OPTICAL) THE PROPOSED STUDY WILL PROVIDE SCIENTIFIC ADVANCES IN MONITORING CHANGES IN BLUE CARBON ECOSYSTEMS LINK COASTAL HYDROLOGY AND CARBON CYCLING AND PROVIDE EFFECTIVE PREDICTION SYSTEMS AND DECISION SUPPORT TOOLS TO HELP WATER MANAGERS AND ENVIRONMENTALISTS IN MITIGATING THE EFFECTS OF SEA LEVEL RISE. · GrantIndex