Table 7.1 Knowledge gaps and their corresponding outputs. Threat Effect on asset Knowledge Information required Information gathered Output gap Remote sensed mapping of Comprehensive map of Distribution of refuge waterholes present in satellite refuge and persistent Blank cell Blank cell Blank cell waterholes across images that captured no flow waterhole locations catchments spells across the assessment across the northern reaches Basin Relationship between spell Remote sensing analysis of Relationship between length and amount of amount of wetted habitat in spell length and available Blank cell Blank cell Blank cell waterhole habitat at the waterholes following no flow waterhole habitat was reach scale spells of a range of durations investigated Depth change using data Blank cell Blank cell loggers Calibrated waterhole Blank cell Water loss rate persistence models for Climate data scenario assessment. Spells may exceed Maximum persistence waterhole Waterhole Increase in no times for assessment of Bathymetric mapping to persistence time, persistence times flow spell consequence and Waterhole shape and size develop a digital elevation causing local in the target river occurrence and incorporation risk model extinction of aquatic valleys duration assessment. biota Simple generic persistence measures for 222Radon, conductivity and Blank cell Blank cell rapid estimates. Blank cell Connection to groundwater stable isotope sampling to detect groundwater inflow Comparison of Model to predict Depth/Persistence depth/persistence relationship Blank cell Blank cell persistence using depth Blank cell relationship between river valleys and measurement catchments
Table 7.1 Knowledge gaps and their corresponding outputs. Threat Effect on asset Knowledge gap Information required Information gathered Output Blank cell Blank cell Blank cell Distribution of refuge waterholes across catchments Remote sensed mapping of waterholes present in satellite images that captured no flow spells across the assessment reaches Comprehensive map of refuge and persistent waterhole locations across the northern Basin Blank cell Blank cell Blank cell Relationship between spell length and amount of waterhole habitat at the reach scale Remote sensing analysis of amount of wetted habitat in waterholes following no flow spells of a range of durations Relationship between spell length and available waterhole habitat was investigated Blank cell Blank cell Blank cell Water loss rate Depth change using data loggers Climate data Calibrated waterhole persistence models for scenario assessment. Maximum persistence times for assessment of consequence and incorporation risk assessment. Simple generic persistence measures for rapid estimates. Increase in no flow spell occurrence and duration Spells may exceed waterhole persistence time, causing local extinction of aquatic biota Waterhole persistence times in the target river valleys Waterhole shape and size Bathymetric mapping to develop a digital elevation model Blank cell Blank cell Blank cell Connection to groundwater 222Radon, conductivity and stable isotope sampling to detect groundwater inflow Blank cell Blank cell Blank cell Depth/Persistence relationship Comparison of depth/persistence relationship between river valleys and catchments Model to predict persistence using depth measurement
FINAL%20Report_Waterholes%20Project%20northern%20Basin.docx