Not listed SCIENCE GOALS AND OBJECTIVESRECURRING SLOPE LINEAE (RSL) ARE NARROW FINGER-LIKE FEATURES THAT ARE DARKER THAN THEIR SURROUNDINGS AND HAVE BEEN OBSERVED TO INCREMENTALLY LENGTHEN FADE AND RECUR OVER MULTIPLE MARS YEARS. OVER 200 POSSIBLE RSL SITES HAVE BEEN DISCOVERED WITHIN THE SOUTHERN MID-LATITUDES VALLES MARINERIS EQUATORIAL HIGHLANDS AND IN NORTHERN CHRYSE PLANITIA AND SOUTHWESTERN ACIDALIA PLANITIA. IT IS NOW GENERALLY RECOGNIZED THAT RSL ARE CAUSED BY FLOWING LIQUID WATER. HOWEVER IT IS POORLY UNDERSTOOD HOW RSL ARE ABLE TO RECUR YEAR AFTER YEAR. HYPOTHESES SUGGEST THAT THE RECHARGE MAY BE COMING FROM TRAPPED ATMOSPHERIC WATER VAPOR GROUND ICE HYDRATED MINERALS OR GROUND WATER. ALL THESE HYPOTHESES HAVE MAJOR FLAWS BUT OUR EARLIER WORK FAVORS THE LATTER. HOWEVER MORE QUANTITATIVE DATA IS NEEDED TO DISCRIMINATE BETWEEN THESE RECHARGE HYPOTHESES. THE OBJECTIVE OF THIS PROPOSAL IS TO PROVIDE QUANTITATIVE DATA FOR ALL OBSERVED RSL AT MULTIPLE REPRESENTATIVE SITES TO DETERMINE THE VOLUME OF WATER NEEDED TO FORM THOSE RSL. WE BELIEVE THAT RSL WATER BUDGETS ARE ESSENTIAL TO EVALUATING DIFFERENT SOURCE HYPOTHESES: AN ATMOSPHERIC WATER VAPOR TRAPPING MECHANISM COULD ONLY ACCOMMODATE LOW WATER BUDGETS WHILE A GROUND WATER MECHANISM COULD ACCOMMODATE MUCH HIGHER WATER BUDGETS. FURTHER BY ESTIMATING THE WATER BUDGET OF 13 RSL SITES WE WILL ALSO BE ABLE TO COMPARE ANDCONTRAST THESE VALUES BETWEEN SITES AND RSL REGIONS.THE PROPOSAL IS UNIQUE BECAUSE IT USES ADVANCED COMPUTER-ASSISTED ANALYSIS (CAA) OF IMAGERY COMBINED WITH 1D MULTIPHASE H2O THERMOPHYSICAL MODELING TO COMPUTE THE AMOUNT OF WATER RELEASED BY THE RSL BETWEEN CONSECUTIVE HIRISE IMAGES. THIS NOVEL APPROACH ANALYZES THE TIME-DEPENDENT BEHAVIOR OF EVERY RSL AT A SITE. FURTHERMORE WE WILL ANALYZE ~15% OF THE CURRENTLY ACQUIRED SL IMAGES AND MAP ~30% OF THE ED RSL SITES.METHODOLOGY(1) AT EACH SELECTED SITE WE WILL PERFORM CAA MAPPING TO DETERMINE HOW THE LOCATIONS OF RSL CHANGE WITH TIME. (2) WE WILL ALSO MAP THE HEADWALL OF RSL SO THAT THE WATER BUDGETS CAN BE NORMALIZED. (3) WE WILL COMPUTE OTHER RSL GEOSTATISTICS SUCH AS LENGTHENING RATES SOURCE ELEVATION DURATION ETC. WHICH HAS NEVER BEEN DONE BEFORE ON A LARGE SCALE. THESE PARAMETERS PROVIDE DIRECT INSIGHT INTO THE SPATIAL AND TEMPORAL VARIABILITY OF THE FLOWS (E.G. FREEZING-POINT DEPRESSION) AND WILL SERVE AS A DATABASE FOR FUTURE DETAILED MODELING OF FULL RSL HYDROLOGY. (4) WE WILL USE 1D TEMPERATURE-DEPENDENT VAPOR-DIFFUSION MODELING TO COMPUTE THE AMOUNT OF WATER LOST TO THE ATMOSPHERE BY THE ENSEMBLE OF RSL OVER TIME. (5) WE WILL COMPARE CONTRAST AND INTERPRET THE WATER BUDGET AND OTHERSTATISTICS BETWEEN RSL SITES AND RSL REGIONS. (6) LASTLY WE WILL UPLOAD OUR RSL MAPPED POLYGONS TO JMARS SO THAT OTHERS CAN USE THEM.RELEVANCEOUR PROPOSAL IS DIRECTLY RELEVANT TO THE MDAP PROGRAM AS ITS GOAL IS TO ENHANCE THE SCIENTIFIC RETURN OF MARS MISSIONS BY ANALYZING DATA FROM INSTRUMENTS SUCH AS HIRISE. THE PROPOSED WORK WILL PROVIDE A BETTER SCIENTIFIC UNDERSTANDING OF THE POTENTIAL ROLE OF WATER IN RSL FORMATION AND ACTIVITY. THIS KNOWLEDGE IS CRITICAL TO DETERMINE WHETHER THESE LOCATIONS SHOULD BE CLASSIFIED AS SPECIAL REGIONS THAT MIGHT HARBOR LIFE (MEPAG GOAL I) AND WHETHER THEY COULD BE USED AS WATER-RICH REGIONS OF INTEREST FOR FUTURE MANNED MISSIONS TO MARS (MEPAG GOAL IV). $94.9k 3/15/18 2 SCIENCE GOALS AND OBJECTIVES RECURRING SLOPE LINEAE (RSL) ARE NARROW FINGER-LIKE FEATURES THAT ARE DARKER THAN THEIR SURROUNDINGS AND HAVE BEEN OBSERVED TO INCREMENTALLY LENGTHEN, FADE, AND RECUR OVER MULTIPLE MARS YEARS. OVER 200 POSSIBLE RSL SITES HAVE BEEN DISCOVERED, WITHIN THE SOUTHERN MID-LATITUDES, VALLES MARINERIS, EQUATORIAL HIGHLANDS, AND IN NORTHERN CHRYSE PLANITIA AND SOUTHWESTERN ACIDALIA PLANITIA. IT IS NOW GENERALLY RECOGNIZED THAT RSL ARE CAUSED BY FLOWING LIQUID WATER. HOWEVER, IT IS POORLY UNDERSTOOD HOW RSL ARE ABLE TO RECUR YEAR AFTER YEAR. HYPOTHESES SUGGEST THAT THE RECHARGE MAY BE COMING FROM TRAPPED ATMOSPHERIC WATER VAPOR, GROUND ICE, HYDRATED MINERALS, OR GROUND WATER. ALL THESE HYPOTHESES HAVE MAJOR FLAWS, BUT OUR EARLIER WORK FAVORS THE LATTER. HOWEVER, MORE QUANTITATIVE DATA IS NEEDED TO DISCRIMINATE BETWEEN THESE RECHARGE HYPOTHESES. THE OBJECTIVE OF THIS PROPOSAL IS TO PROVIDE QUANTITATIVE DATA FOR ALL OBSERVED RSL AT MULTIPLE REPRESENTATIVE SITES TO DETERMINE THE VOLUME OF WATER NEEDED TO FORM THOSE RSL. WE BELIEVE THAT RSL WATER BUDGETS ARE ESSENTIAL TO EVALUATING DIFFERENT SOURCE HYPOTHESES: AN ATMOSPHERIC WATER VAPOR TRAPPING MECHANISM COULD ONLY ACCOMMODATE LOW WATER BUDGETS, WHILE A GROUND WATER MECHANISM COULD ACCOMMODATE MUCH HIGHER WATER BUDGETS. FURTHER, BY ESTIMATING THE WATER BUDGET OF 13 RSL SITES WE WILL ALSO BE ABLE TO COMPARE AND CONTRAST THESE VALUES BETWEEN SITES AND RSL REGIONS. THE PROPOSAL IS UNIQUE BECAUSE IT USES ADVANCED COMPUTER-ASSISTED ANALYSIS (CAA) OF IMAGERY, COMBINED WITH 1D MULTIPHASE H2O THERMOPHYSICAL MODELING, TO COMPUTE THE AMOUNT OF WATER RELEASED BY THE RSL BETWEEN CONSECUTIVE HIRISE IMAGES. THIS NOVEL APPROACH ANALYZES THE TIME-DEPENDENT BEHAVIOR OF EVERY RSL AT A SITE. FURTHERMORE, WE WILL ANALYZE ~15% OF THE CURRENTLY ACQUIRED SL IMAGES AND MAP ~30% OF THE ED RSL SITES. METHODOLOGY (1) AT EACH SELECTED SITE, WE WILL PERFORM CAA MAPPING TO DETERMINE HOW THE LOCATIONS OF RSL CHANGE WITH TIME. (2) WE WILL ALSO MAP THE HEADWALL OF RSL SO THAT THE WATER BUDGETS CAN BE NORMALIZED. (3) WE WILL COMPUTE OTHER RSL GEOSTATISTICS SUCH AS LENGTHENING RATES, SOURCE ELEVATION, DURATION, ETC., WHICH HAS NEVER BEEN DONE BEFORE ON A LARGE SCALE. THESE PARAMETERS PROVIDE DIRECT INSIGHT INTO THE SPATIAL AND TEMPORAL VARIABILITY OF THE FLOWS (E.G., FREEZING-POINT DEPRESSION) AND WILL SERVE AS A DATABASE FOR FUTURE, DETAILED MODELING OF FULL RSL HYDROLOGY. (4) WE WILL USE 1D TEMPERATURE-DEPENDENT, VAPOR-DIFFUSION MODELING TO COMPUTE THE AMOUNT OF WATER LOST TO THE ATMOSPHERE BY THE ENSEMBLE OF RSL OVER TIME. (5) WE WILL COMPARE, CONTRAST, AND INTERPRET THE WATER BUDGET AND OTHER STATISTICS BETWEEN RSL SITES AND RSL REGIONS. (6) LASTLY, WE WILL UPLOAD OUR RSL MAPPED POLYGONS TO JMARS SO THAT OTHERS CAN USE THEM. RELEVANCE OUR PROPOSAL IS DIRECTLY RELEVANT TO THE MDAP PROGRAM, AS ITS GOAL IS TO ENHANCE THE SCIENTIFIC RETURN OF MARS MISSIONS BY ANALYZING DATA FROM INSTRUMENTS SUCH AS HIRISE. THE PROPOSED WORK WILL PROVIDE A BETTER SCIENTIFIC UNDERSTANDING OF THE POTENTIAL ROLE OF WATER IN RSL FORMATION AND ACTIVITY. THIS KNOWLEDGE IS CRITICAL TO DETERMINE WHETHER THESE LOCATIONS SHOULD BE CLASSIFIED AS SPECIAL REGIONS THAT MIGHT HARBOR LIFE (MEPAG GOAL I) AND WHETHER THEY COULD BE USED AS WATER-RICH REGIONS OF INTEREST FOR FUTURE MANNED MISSIONS TO MARS (MEPAG GOAL IV). Funding Only Action $94.9k 3/15/18 1 SCIENCE GOALS AND OBJECTIVES RECURRING SLOPE LINEAE (RSL) ARE NARROW FINGER-LIKE FEATURES THAT ARE DARKER THAN THEIR SURROUNDINGS AND HAVE BEEN OBSERVED TO INCREMENTALLY LENGTHEN, FADE, AND RECUR OVER MULTIPLE MARS YEARS. OVER 200 POSSIBLE RSL SITES HAVE BEEN DISCOVERED, WITHIN THE SOUTHERN MID-LATITUDES, VALLES MARINERIS, EQUATORIAL HIGHLANDS, AND IN NORTHERN CHRYSE PLANITIA AND SOUTHWESTERN ACIDALIA PLANITIA. IT IS NOW GENERALLY RECOGNIZED THAT RSL ARE CAUSED BY FLOWING LIQUID WATER. HOWEVER, IT IS POORLY UNDERSTOOD HOW RSL ARE ABLE TO RECUR YEAR AFTER YEAR. HYPOTHESES SUGGEST THAT THE RECHARGE MAY BE COMING FROM TRAPPED ATMOSPHERIC WATER VAPOR, GROUND ICE, HYDRATED MINERALS, OR GROUND WATER. ALL THESE HYPOTHESES HAVE MAJOR FLAWS, BUT OUR EARLIER WORK FAVORS THE LATTER. HOWEVER, MORE QUANTITATIVE DATA IS NEEDED TO DISCRIMINATE BETWEEN THESE RECHARGE HYPOTHESES. THE OBJECTIVE OF THIS PROPOSAL IS TO PROVIDE QUANTITATIVE DATA FOR ALL OBSERVED RSL AT MULTIPLE REPRESENTATIVE SITES TO DETERMINE THE VOLUME OF WATER NEEDED TO FORM THOSE RSL. WE BELIEVE THAT RSL WATER BUDGETS ARE ESSENTIAL TO EVALUATING DIFFERENT SOURCE HYPOTHESES: AN ATMOSPHERIC WATER VAPOR TRAPPING MECHANISM COULD ONLY ACCOMMODATE LOW WATER BUDGETS, WHILE A GROUND WATER MECHANISM COULD ACCOMMODATE MUCH HIGHER WATER BUDGETS. FURTHER, BY ESTIMATING THE WATER BUDGET OF 13 RSL SITES WE WILL ALSO BE ABLE TO COMPARE AND CONTRAST THESE VALUES BETWEEN SITES AND RSL REGIONS. THE PROPOSAL IS UNIQUE BECAUSE IT USES ADVANCED COMPUTER-ASSISTED ANALYSIS (CAA) OF IMAGERY, COMBINED WITH 1D MULTIPHASE H2O THERMOPHYSICAL MODELING, TO COMPUTE THE AMOUNT OF WATER RELEASED BY THE RSL BETWEEN CONSECUTIVE HIRISE IMAGES. THIS NOVEL APPROACH ANALYZES THE TIME-DEPENDENT BEHAVIOR OF EVERY RSL AT A SITE. FURTHERMORE, WE WILL ANALYZE ~15% OF THE CURRENTLY ACQUIRED SL IMAGES AND MAP ~30% OF THE CONFIRMED RSL SITES. METHODOLOGY (1) AT EACH SELECTED SITE, WE WILL PERFORM CAA MAPPING TO DETERMINE HOW THE LOCATIONS OF RSL CHANGE WITH TIME. (2) WE WILL ALSO MAP THE HEADWALL OF RSL SO THAT THE WATER BUDGETS CAN BE NORMALIZED. (3) WE WILL COMPUTE OTHER RSL GEOSTATISTICS SUCH AS LENGTHENING RATES, SOURCE ELEVATION, DURATION, ETC., WHICH HAS NEVER BEEN DONE BEFORE ON A LARGE SCALE. THESE PARAMETERS PROVIDE DIRECT INSIGHT INTO THE SPATIAL AND TEMPORAL VARIABILITY OF THE FLOWS (E.G., FREEZING-POINT DEPRESSION) AND WILL SERVE AS A DATABASE FOR FUTURE, DETAILED MODELING OF FULL RSL HYDROLOGY. (4) WE WILL USE 1D TEMPERATURE-DEPENDENT, VAPOR-DIFFUSION MODELING TO COMPUTE THE AMOUNT OF WATER LOST TO THE ATMOSPHERE BY THE ENSEMBLE OF RSL OVER TIME. (5) WE WILL COMPARE, CONTRAST, AND INTERPRET THE WATER BUDGET AND OTHER STATISTICS BETWEEN RSL SITES AND RSL REGIONS. (6) LASTLY, WE WILL UPLOAD OUR RSL MAPPED POLYGONS TO JMARS SO THAT OTHERS CAN USE THEM. RELEVANCE OUR PROPOSAL IS DIRECTLY RELEVANT TO THE MDAP PROGRAM, AS ITS GOAL IS TO ENHANCE THE SCIENTIFIC RETURN OF MARS MISSIONS BY ANALYZING DATA FROM INSTRUMENTS SUCH AS HIRISE. THE PROPOSED WORK WILL PROVIDE A BETTER SCIENTIFIC UNDERSTANDING OF THE POTENTIAL ROLE OF WATER IN RSL FORMATION AND ACTIVITY. THIS KNOWLEDGE IS CRITICAL TO DETERMINE WHETHER THESE LOCATIONS SHOULD BE CLASSIFIED AS SPECIAL REGIONS THAT MIGHT HARBOR LIFE (MEPAG GOAL I) AND WHETHER THEY COULD BE USED AS WATER-RICH REGIONS OF INTEREST FOR FUTURE MANNED MISSIONS TO MARS (MEPAG GOAL IV). Funding Only Action $49.7k 3/29/17 Not listed SCIENCE GOALS AND OBJECTIVESRECURRING SLOPE LINEAE (RSL) ARE NARROW FINGER-LIKE FEATURES THAT ARE DARKER THAN THEIR SURROUNDINGS AND HAVE BEEN OBSERVED TO INCREMENTALLY LENGTHEN FADE AND RECUR OVER MULTIPLE MARS YEARS. OVER 200 POSSIBLE RSL SITES HAVE BEEN DISCOVERED WITHIN THE SOUTHERN MID-LATITUDES VALLES MARINERIS EQUATORIAL HIGHLANDS AND IN NORTHERN CHRYSE PLANITIA AND SOUTHWESTERN ACIDALIA PLANITIA. IT IS NOW GENERALLY RECOGNIZED THAT RSL ARE CAUSED BY FLOWING LIQUID WATER. HOWEVER IT IS POORLY UNDERSTOOD HOW RSL ARE ABLE TO RECUR YEAR AFTER YEAR. HYPOTHESES SUGGEST THAT THE RECHARGE MAY BE COMING FROM TRAPPED ATMOSPHERIC WATER VAPOR GROUND ICE HYDRATED MINERALS OR GROUND WATER. ALL THESE HYPOTHESES HAVE MAJOR FLAWS BUT OUR EARLIER WORK FAVORS THE LATTER. HOWEVER MORE QUANTITATIVE DATA IS NEEDED TO DISCRIMINATE BETWEEN THESE RECHARGE HYPOTHESES. THE OBJECTIVE OF THIS PROPOSAL IS TO PROVIDE QUANTITATIVE DATA FOR ALL OBSERVED RSL AT MULTIPLE REPRESENTATIVE SITES TO DETERMINE THE VOLUME OF WATER NEEDED TO FORM THOSE RSL. WE BELIEVE THAT RSL WATER BUDGETS ARE ESSENTIAL TO EVALUATING DIFFERENT SOURCE HYPOTHESES: AN ATMOSPHERIC WATER VAPOR TRAPPING MECHANISM COULD ONLY ACCOMMODATE LOW WATER BUDGETS WHILE A GROUND WATER MECHANISM COULD ACCOMMODATE MUCH HIGHER WATER BUDGETS. FURTHER BY ESTIMATING THE WATER BUDGET OF 13 RSL SITES WE WILL ALSO BE ABLE TO COMPARE ANDCONTRAST THESE VALUES BETWEEN SITES AND RSL REGIONS.THE PROPOSAL IS UNIQUE BECAUSE IT USES ADVANCED COMPUTER-ASSISTED ANALYSIS (CAA) OF IMAGERY COMBINED WITH 1D MULTIPHASE H2O THERMOPHYSICAL MODELING TO COMPUTE THE AMOUNT OF WATER RELEASED BY THE RSL BETWEEN CONSECUTIVE HIRISE IMAGES. THIS NOVEL APPROACH ANALYZES THE TIME-DEPENDENT BEHAVIOR OF EVERY RSL AT A SITE. FURTHERMORE WE WILL ANALYZE ~15% OF THE CURRENTLY ACQUIRED SL IMAGES AND MAP ~30% OF THE CONFIRMED RSL SITES.METHODOLOGY(1) AT EACH SELECTED SITE WE WILL PERFORM CAA MAPPING TO DETERMINE HOW THE LOCATIONS OF RSL CHANGE WITH TIME. (2) WE WILL ALSO MAP THE HEADWALL OF RSL SO THAT THE WATER BUDGETS CAN BE NORMALIZED. (3) WE WILL COMPUTE OTHER RSL GEOSTATISTICS SUCH AS LENGTHENING RATES SOURCE ELEVATION DURATION ETC. WHICH HAS NEVER BEEN DONE BEFORE ON A LARGE SCALE. THESE PARAMETERS PROVIDE DIRECT INSIGHT INTO THE SPATIAL AND TEMPORAL VARIABILITY OF THE FLOWS (E.G. FREEZING-POINT DEPRESSION) AND WILL SERVE AS A DATABASE FOR FUTURE DETAILED MODELING OF FULL RSL HYDROLOGY. (4) WE WILL USE 1D TEMPERATURE-DEPENDENT VAPOR-DIFFUSION MODELING TO COMPUTE THE AMOUNT OF WATER LOST TO THE ATMOSPHERE BY THE ENSEMBLE OF RSL OVER TIME. (5) WE WILL COMPARE CONTRAST AND INTERPRET THE WATER BUDGET AND OTHERSTATISTICS BETWEEN RSL SITES AND RSL REGIONS. (6) LASTLY WE WILL UPLOAD OUR RSL MAPPED POLYGONS TO JMARS SO THAT OTHERS CAN USE THEM.RELEVANCEOUR PROPOSAL IS DIRECTLY RELEVANT TO THE MDAP PROGRAM AS ITS GOAL IS TO ENHANCE THE SCIENTIFIC RETURN OF MARS MISSIONS BY ANALYZING DATA FROM INSTRUMENTS SUCH AS HIRISE. THE PROPOSED WORK WILL PROVIDE A BETTER SCIENTIFIC UNDERSTANDING OF THE POTENTIAL ROLE OF WATER IN RSL FORMATION AND ACTIVITY. THIS KNOWLEDGE IS CRITICAL TO DETERMINE WHETHER THESE LOCATIONS SHOULD BE CLASSIFIED AS SPECIAL REGIONS THAT MIGHT HARBOR LIFE (MEPAG GOAL I) AND WHETHER THEY COULD BE USED AS WATER-RICH REGIONS OF INTEREST FOR FUTURE MANNED MISSIONS TO MARS (MEPAG GOAL IV). $49.7k 3/29/17 Not listed SCIENCE GOALS AND OBJECTIVES RECURRING SLOPE LINEAE (RSL) ARE NARROW FINGER-LIKE FEATURES THAT ARE DARKER THAN THEIR SURROUNDINGS AND HAVE BEEN OBSERVED TO INCREMENTALLY LENGTHEN, FADE, AND RECUR OVER MULTIPLE MARS YEARS. OVER 200 POSSIBLE RSL SITES HAVE BEEN DISCOVERED, WITHIN THE SOUTHERN MID-LATITUDES, VALLES MARINERIS, EQUATORIAL HIGHLANDS, AND IN NORTHERN CHRYSE PLANITIA AND SOUTHWESTERN ACIDALIA PLANITIA. IT IS NOW GENERALLY RECOGNIZED THAT RSL ARE CAUSED BY FLOWING LIQUID WATER. HOWEVER, IT IS POORLY UNDERSTOOD HOW RSL ARE ABLE TO RECUR YEAR AFTER YEAR. HYPOTHESES SUGGEST THAT THE RECHARGE MAY BE COMING FROM TRAPPED ATMOSPHERIC WATER VAPOR, GROUND ICE, HYDRATED MINERALS, OR GROUND WATER. ALL THESE HYPOTHESES HAVE MAJOR FLAWS, BUT OUR EARLIER WORK FAVORS THE LATTER. HOWEVER, MORE QUANTITATIVE DATA IS NEEDED TO DISCRIMINATE BETWEEN THESE RECHARGE HYPOTHESES. THE OBJECTIVE OF THIS PROPOSAL IS TO PROVIDE QUANTITATIVE DATA FOR ALL OBSERVED RSL AT MULTIPLE REPRESENTATIVE SITES TO DETERMINE THE VOLUME OF WATER NEEDED TO FORM THOSE RSL. WE BELIEVE THAT RSL WATER BUDGETS ARE ESSENTIAL TO EVALUATING DIFFERENT SOURCE HYPOTHESES: AN ATMOSPHERIC WATER VAPOR TRAPPING MECHANISM COULD ONLY ACCOMMODATE LOW WATER BUDGETS, WHILE A GROUND WATER MECHANISM COULD ACCOMMODATE MUCH HIGHER WATER BUDGETS. FURTHER, BY ESTIMATING THE WATER BUDGET OF 13 RSL SITES WE WILL ALSO BE ABLE TO COMPARE AND CONTRAST THESE VALUES BETWEEN SITES AND RSL REGIONS. THE PROPOSAL IS UNIQUE BECAUSE IT USES ADVANCED COMPUTER-ASSISTED ANALYSIS (CAA) OF IMAGERY, COMBINED WITH 1D MULTIPHASE H2O THERMOPHYSICAL MODELING, TO COMPUTE THE AMOUNT OF WATER RELEASED BY THE RSL BETWEEN CONSECUTIVE HIRISE IMAGES. THIS NOVEL APPROACH ANALYZES THE TIME-DEPENDENT BEHAVIOR OF EVERY RSL AT A SITE. FURTHERMORE, WE WILL ANALYZE ~15% OF THE CURRENTLY ACQUIRED SL IMAGES AND MAP ~30% OF THE CONFIRMED RSL SITES. METHODOLOGY (1) AT EACH SELECTED SITE, WE WILL PERFORM CAA MAPPING TO DETERMINE HOW THE LOCATIONS OF RSL CHANGE WITH TIME. (2) WE WILL ALSO MAP THE HEADWALL OF RSL SO THAT THE WATER BUDGETS CAN BE NORMALIZED. (3) WE WILL COMPUTE OTHER RSL GEOSTATISTICS SUCH AS LENGTHENING RATES, SOURCE ELEVATION, DURATION, ETC., WHICH HAS NEVER BEEN DONE BEFORE ON A LARGE SCALE. THESE PARAMETERS PROVIDE DIRECT INSIGHT INTO THE SPATIAL AND TEMPORAL VARIABILITY OF THE FLOWS (E.G., FREEZING-POINT DEPRESSION) AND WILL SERVE AS A DATABASE FOR FUTURE, DETAILED MODELING OF FULL RSL HYDROLOGY. (4) WE WILL USE 1D TEMPERATURE-DEPENDENT, VAPOR-DIFFUSION MODELING TO COMPUTE THE AMOUNT OF WATER LOST TO THE ATMOSPHERE BY THE ENSEMBLE OF RSL OVER TIME. (5) WE WILL COMPARE, CONTRAST, AND INTERPRET THE WATER BUDGET AND OTHER STATISTICS BETWEEN RSL SITES AND RSL REGIONS. (6) LASTLY, WE WILL UPLOAD OUR RSL MAPPED POLYGONS TO JMARS SO THAT OTHERS CAN USE THEM. RELEVANCE OUR PROPOSAL IS DIRECTLY RELEVANT TO THE MDAP PROGRAM, AS ITS GOAL IS TO ENHANCE THE SCIENTIFIC RETURN OF MARS MISSIONS BY ANALYZING DATA FROM INSTRUMENTS SUCH AS HIRISE. THE PROPOSED WORK WILL PROVIDE A BETTER SCIENTIFIC UNDERSTANDING OF THE POTENTIAL ROLE OF WATER IN RSL FORMATION AND ACTIVITY. THIS KNOWLEDGE IS CRITICAL TO DETERMINE WHETHER THESE LOCATIONS SHOULD BE CLASSIFIED AS SPECIAL REGIONS THAT MIGHT HARBOR LIFE (MEPAG GOAL I) AND WHETHER THEY COULD BE USED AS WATER-RICH REGIONS OF INTEREST FOR FUTURE MANNED MISSIONS TO MARS (MEPAG GOAL IV). Not listed $16.9k 5/5/16