Glacier Retreat Leads to the Expansion of Alpine Lake Karakul Observed Via Remote Sensing Water Volume Time Series Reconstruction DOI Creative Commons
Weibing Du,

Yaming Pan,

Junli Li

et al.

Atmosphere, Journal Year: 2023, Volume and Issue: 14(12), P. 1772 - 1772

Published: Nov. 30, 2023

Due to high altitudes, Central Asian alpine lakes can serve as indicators of localized climate change. This article monitored the water volume time series trends ungauged Lake Karakul, which is typical because abundance glaciers in basin, from 1990 2020 via multiple source remote sensing data. The “Global-Local” multi-scale lake extraction method used delineate boundary Karakul. Consistency analysis was performed on altimetry data CryoSat-2, ICESat-1 and ICESat-2, assuming that surface flat; a threshold value set remove gross error, then 3σ elevation anomaly. Based pyramid model, area information were reconstruct influencing factors temporal variation discussed. results show Karakul has been an expansionary trend recent years: increased 394.9 km2 1988 411.4 2020; rate increase 0.74 m/year. 3886.6 m 2003 3888.6 0.11 km2/year. accumulated 0.817 km3 2003–2020, with accumulation 0.059 km3/year. basin developing towards dry heat, cumulative temperature +0.38 °C/year; average annual precipitation −3.37 mm/year; evapotranspiration watershed fluctuating increasing trend, +0.43 have retreating −0.22 km2/year 1992 2020. more sensitive variations, runoff important contribution expansion

Language: Английский

Enhanced Water Level Monitoring for Small and Complex Inland Water Bodies Using Multi-Satellite Remote Sensing DOI
Kwang-Hee Han, Seokhyeon Kim, Rajeshwar Mehrotra

et al.

Environmental Modelling & Software, Journal Year: 2024, Volume and Issue: 180, P. 106169 - 106169

Published: July 26, 2024

Language: Английский

Citations

6
Development of The Navigator: A Lagrangian sensing system to characterize surface freshwater ecosystems DOI Creative Commons

Aashish Khandelwal,

Tzion Castillo, Ricardo González‐Pinzón

et al.

Water Research, Journal Year: 2023, Volume and Issue: 245, P. 120577 - 120577

Published: Sept. 4, 2023

Language: Английский

Citations

6
Assessing the impacts of ice penetration on monitoring water levels of high-latitude and -altitude lakes from CryoSat-2 altimetry DOI

Ye Feng,

Chunqiao Song

Journal of Hydrology, Journal Year: 2024, Volume and Issue: 634, P. 131147 - 131147

Published: March 29, 2024

Language: Английский

Citations

1
Integrating Satellite Altimetry and SAR Technology for Manchar Lake Water Monitoring DOI Creative Commons

Shahryar Jamali,

Arjumand Zaidi,

Tauqeer Ali

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 19, 2024

Abstract A considerable share of global inland water that fulfills human needs and supports the natural ecosystem is stored in lakes. Mismanaging these resources may trigger extreme floods droughts. This study utilizes multi-mission altimetry Synthetic Aperture Radar (SAR) data to monitor levels volumetric variations Manchar Lake. Data from three missions—Sentinel-3, ICESat-2, Jason-3— were acquired, processed, validated situ measurements. Moreover, surface area Sentinel-1 SAR contributed Lake volume computations. ICESat-2 Sentinel-3 derived exhibited a strong correlation with actual data, supported by good coefficients (0.84 0.95), low mean absolute errors (0.24 0.10), Nash-Sutcliffe Efficiency statistics (0.61 0.91). The performance Jason-3 dataset was inferior others, indicating comparatively weaker (R = 0.80). observed variance be linked pathway's specific location, close bank. proximity introduces potential risk pulse contamination, as mixing land influence return signal. lake areas presented moderate 0.67), suggesting some interdependence providing insights into Lake's geometry. guides selecting an appropriate formula approximately represents its characteristics. highlights critical role satellite technology managing large lakes reservoirs, particularly regions limited ground addressing importance bridging gap.

Language: Английский

Citations

0
Glacier Retreat Leads to the Expansion of Alpine Lake Karakul Observed Via Remote Sensing Water Volume Time Series Reconstruction DOI Creative Commons
Weibing Du,

Yaming Pan,

Junli Li

et al.

Atmosphere, Journal Year: 2023, Volume and Issue: 14(12), P. 1772 - 1772

Published: Nov. 30, 2023

Due to high altitudes, Central Asian alpine lakes can serve as indicators of localized climate change. This article monitored the water volume time series trends ungauged Lake Karakul, which is typical because abundance glaciers in basin, from 1990 2020 via multiple source remote sensing data. The “Global-Local” multi-scale lake extraction method used delineate boundary Karakul. Consistency analysis was performed on altimetry data CryoSat-2, ICESat-1 and ICESat-2, assuming that surface flat; a threshold value set remove gross error, then 3σ elevation anomaly. Based pyramid model, area information were reconstruct influencing factors temporal variation discussed. results show Karakul has been an expansionary trend recent years: increased 394.9 km2 1988 411.4 2020; rate increase 0.74 m/year. 3886.6 m 2003 3888.6 0.11 km2/year. accumulated 0.817 km3 2003–2020, with accumulation 0.059 km3/year. basin developing towards dry heat, cumulative temperature +0.38 °C/year; average annual precipitation −3.37 mm/year; evapotranspiration watershed fluctuating increasing trend, +0.43 have retreating −0.22 km2/year 1992 2020. more sensitive variations, runoff important contribution expansion

Language: Английский

Citations

0