Subsidy Tracker Individual Entry

Company: 
SCIENCE SYSTEMS AND APPLICATIONS INC.
Parent Company: 
SAIC
Subsidy Source: 
federal
State in Which Facility Is Located: 
Maryland
Project Description: 

THE ARCTIC REGION IS A VERY SENSITIVE ENVIRONMENT IN THAT SHORT-TERM (RIVER DISCHARGES) AND LONG-TERM PROCESSES (CLIMATE CHANGE) CAN RAPIDLY AFFECT THE PREVALENT BIOGEOCHEMICAL AND BIOLOGICAL CYCLE. OUR UNDERSTANDING OF THE PROCESSES AT THE LAND-SEA INTERFACE IN THE ARCTIC SEA HOWEVER IS RELATIVELY POOR PRIMARILY BECAUSE OF THE LACK OF OBSERVATIONS AT SUITABLE SPATIO-TEMPORAL SCALES (CONSIDERING PRESENCE OF CLOUDS). IN ADDITION THE OCCURRENCE OF ICE-EDGE AND UNDER-ICE BLOOM HAS RECENTLY DRAWN ATTENTION AND IS DEEMED TO RELATE TO THINNING OF ICE AND INCREASED SOLAR RADIATION REACHING WATER COLUMN. THE OCEAN COLOR REMOTE SENSING IS AN EFFECTIVE MEANS FOR MONITORING ECOLOGICAL ACTIVITIES IN THE ARCTIC OCEAN IN THIS RAPIDLY CHANGING ENVIRONMENT. HOWEVER THE COARSE-RESOLUTION (>1 KM) OCEAN COLOR PRODUCTS ARE OFTEN MASKED OUT AT THE PROXIMITY OF SEA-ICE CLOUDS AND LAND FEATURES (UN-WANTED PHOTONS REACHING THE FIELD OF VIEW OF THE REMOTE SENSOR). THIS RESULTS IN SIGNIFICANT LOSS OF DATA AT CRITICAL NEAR-SHORE AND MARGINAL ICE ZONES. WITH THE SUCCESSFUL LAUNCH OF THE OPERATIONAL LAND IMAGER (OLI) ONBOARD LANDSAT-8 AND THE VERY RECENT LAUNCH OF THE MULTISPECTRAL INSTRUMENT (MSI) ABOARD SENTINEL-2 BY ESA THE SCIENCE COMMUNITY WILL BE IN A POSITION WHERE THE ARCTIC SEAS (AND OTHER HIGH-LATITUDE REGIONS) WILL BE OBSERVED AT MODERATE SPATIAL SCALES (10 TO 60 M) AND TEMPORAL FREQUENCIES (NEAR-DAILY) THAT HAVE NEVER BEEN POSSIBLE. AT SUCH SPATIAL SCALES THE SCIENCE COMMUNITY WILL HAVE THE OPPORTUNITY TO OBTAIN QUANTITATIVE MEASUREMENTS OF THE RIVERINE AND ESTUARINE SYSTEMS IN THE COASTAL ARCTIC ZONE DURING DIFFERENT PHASES INCLUDING END OF SPRING (PEAK DISCHARGES) MID SUMMER (HIGH-BIOLOGICAL ACTIVITIES) AND THE MID-FALL PERIOD (PRE-WINTER PERIOD). WE PROPOSE TO DEVELOP AND IMPROVE HIGH-QUALITY DATA PRODUCTS FROM OLI AND MSI OBSERVATIONS OVER THE ARCTIC COASTAL WATERS FROM THE AMUNDSEN GULF (EAST BOUND) TO YUKON RIVER MOUTH (WEST BOUND) AND TOWARDS THE CONTINENTAL SHELVES (OFFSHORE). WE WILL ENHANCE OLI- AND MSI-DERIVED DATA PRODUCTS BY MINIMIZING STRIPING/BANDING EFFECTS OPTIMIZING THE ATMOSPHERIC CORRECTION (REDUCING NOISY RETRIEVALS) AND REFINING THE EXISTING RADIATIVE-TRANSFER BASED SEMI-ANALYTICAL ALGORITHMS TO SUIT THE OPTICALLY COMPLEX WATERS OF OUR STUDY AREA. TO DO SO WE WILL ANALYZE AND PROCESS THE EXISTING BIO-OPTICAL DATASETS AND USE THE BEST-PRACTICE COMPUTATIONALLY INEXPENSIVE SEMI-ANALYTICAL ALGORITHMS TO TEST AND VALIDATE OPTICAL CLOSURE. IN PARTICULAR WE WILL DERIVE BULK INHERENT OPTICAL PROPERTIES (IOPS) THE DIFFUSE ATTENUATION COEFFICIENT EUPHOTIC ZONE DEPTH AND CHLOROPHYLL-A. FURTHER TECHNICAL CONSIDERATIONS INCLUDE ANALYZING ADJACENCY EFFECTS DUE TO ICE EXTREMELY LOW SIGNAL LEVELS DURING EARLY SPRING- LATE SUMMER AND SEPARATING PHYTOPLANKTON ABSORPTION AND ABSORPTION DUE TO DETRITUS AND COLORED DISSOLVED ORGANIC MATTER. WE WILL FURTHER UTILIZE OLI PANCHROMATIC BAND AND MSI VISIBLE CHANNELS TO MAP AND MONITOR DYNAMICS OF MELT PONDS AND ICE LEADS DURING EARLY SPRING TIMEFRAME. THIS WILL PROVIDE INSIGHTS INTO WHAT TRIGGERS EARLY SPRING BLOOMS AND HOW IT EVOLVES AS ICE MELTS. THE RESULTS OF THIS STUDY WILL SUPPORT THE PLANNED ACTIVITIES OF THE NASA S ABOVE AND ARCTIC-COLORS PROGRAMS WHICH PLAN TO INCREASE OUR UNDERSTANDING OF THE ARCTIC REGION FROM THE BOREAL FORESTS AND UPSTREAM WATERSHED PROCESSES TO COASTAL/ESTUARINE AREAS AND CONTINENTAL SHELVES IN THE ARCTIC SEAS. OUR CALIBRATED/VALIDATED MODERATE-RESOLUTION PRODUCTS COMPLEMENT THE EXISTING (OR UPCOMING) OCEAN COLOR PRODUCTS (AT NOMINAL 1 KM AND/OR 300 M SPATIAL SCALES). THE IMPACT OF THE PROPOSED PROJECT GOES WELL BEYOND THE ARCTIC COASTAL WATERS AND ESTABLISHES TECHNIQUES AND PROCEDURES FOR THE USE OF OLI AND MSI IN OTHER COASTAL WATERS ACROSS THE GLOBE.

Year: 
2019
Major Industry of Parent: 
information technology
Specific Industry of Parent: 
information technology
Subsidy Value: 
$133,777
Program Name: 
NASA Science Grants
Catalog of Federal Domestic Assistance code: 
43.001
Awarding Agency: 
National Aeronautics and Space Administration
Type of Subsidy: 
federal grant
Source of Data: 
Notes: 

Year is fiscal year.

Source Notes: 
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