A Com pletely Rem ote Sensing Approach To Monitoring Reservoirs W ater Volum e R. Abileah 1 , S. Vignudelli 2 1 jOm egak, San Carlos CA, USA 2 CNR – I stituto di Biofisica ( w ith m any stim ulating discussions w ith A. Scozzari w ho felt he w as too busy w ith conference arrangem ents to be a full fledged co-author) 2 9 May, 2 0 1 1 Fifteenth I nternational W ater Technology Conference, I W TC 1 5 2 0 1 1 , Alexandria, Egypt
Exploiting the synergies betw een radar Exploiting the synergies betw een radar altim eters and m ulti- - spectral im aging satellites spectral im aging satellites altim eters and m ulti Jean- - Francoise Cretaux et al., Francoise Cretaux et al., Jean “Flood Mapping I nferred From Flood Mapping I nferred From This paper “ This paper Rem ote Sensing Data,” Rem ote Sensing Data, ” in this in this conference conference Radar altim eters Radar altim eters Radar altim eters Radar altim eters TOPEX + Envisat TOPEX + Envisat TOPEX + Envisat TOPEX + Envisat Modis Modis Landsat Landsat Daily revisits Daily revisits 1 6 - 1 6 - day revisits day revisits 5 0 0 m resolution 3 0 m resolution 5 0 0 m resolution 3 0 m resolution Floodplains m onitoring Reservoir volum e Floodplains m onitoring Reservoir volum e Bathym etry Bathym etry ( daily revisits desirable) ( daily revisits desirable) ( m onthly revisits suffice) ( m onthly revisits suffice) A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Heron’ ’s Volum e Method s Volum e Method Heron 1 0 - 1 0 - 7 0 A.D., Alexandria 7 0 A.D., Alexandria L 1 A 1 L 2 A 2 L 3 A 3 − L L Δ = + + 1 2 V ( A A A A ) 12 1 2 1 2 3 − L L Δ = + + 2 3 V ( A A A A ) 23 2 3 2 3 3 A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Landsat Tem poral I m age Series Landsat Tem poral I m age Series A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Polynom ial Volum e Method Polynom ial Volum e Method Altim eter Level � L 3 L 2 L 1 … A 1 A 2 A 3 … Landsat area � A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Analysis Products Analysis Products Landsat area vs.. altim eter level Level vs.. tim e Level vs.. area Volum e vs. tim e Bathym etry A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Dow nloading Landsat I m ages ( 1 / 2 ) Dow nloading Landsat I m ages ( 1 / 2 ) A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Dow nloading Landsat I m ages ( 2 / 2 ) Dow nloading Landsat I m ages ( 2 / 2 ) A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Dow nloading Altim etry Data ( 1 / 3 ) Dow nloading Altim etry Data ( 1 / 3 ) CTOH Portal CTOH Portal A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Dow nloading Altim etry Data ( 2 / 3 ) Dow nloading Altim etry Data ( 2 / 3 ) LEGOS LEGOS – – Surface m onitoring by satellite altim etry Surface m onitoring by satellite altim etry A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Dow nloading Altim etry Data ( 3 / 3 ) Dow nloading Altim etry Data ( 3 / 3 ) LEGOS – – Surface m onitoring by satellite altim etry Surface m onitoring by satellite altim etry LEGOS A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Current Lim itations in Radar Current Lim itations in Radar Altim eter Coverage Altim eter Coverage A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
Future R&D Future R&D ■ Validation ■ Validation ■ R R ivers ■ ivers ■ SWOT (Near future) ■ SWOT (Near future) The authors invite your collaboration on further The authors invite your collaboration on further � � applications and evaluations of the methods described applications and evaluations of the methods described here. Contact here. Contact Abileah, abileah@jOmegak.com abileah@jOmegak.com Abileah, Vignudelli, vignudelli@pi.ibf.cnr.it vignudelli@pi.ibf.cnr.it Vignudelli, A Completely Remote Sensing Approach To Monitoring Reservoirs Water Volume
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