Tracking dynamic river networks in the Tibetan Plateau with high-resolution CubeSat imagery
نویسندگان
چکیده
æ²³æµç½ç»æ¯å°è¡¨æ°´å¾ªç¯çéè¦ç»æé¨åï¼å¦ä½å®ç°æ²³æµç½ç»å¨æçæµå·²æ为河æµé¥æç 究ççç¹ãè¿å¹´æ¥ï¼ä»¥PlanetScope为代表çCubeSatå°å«æå·²å ·å¤äºç±³çº§ç©ºé´å辨çã1 dé访å¨æçä¼å¿ï¼è¿ä¸ºæ²³æµç½ç»é«æ¶ç©ºå辨çå¨æçæµæä¾äºå¯è½ãæ¬æ以éèé«åé¿æ±æºåºçé天河æµåï¼227 km2ï¼ä¸ºç 究åºï¼éå2017-05â2017-10 5æ3 m空é´å辨çCubeSaté¥æå½±åï¼å¢å¼ºæ²³æµæ¨ªçºµåé¢ç¹å¾èªå¨åæåäºæ²³æµç½ç»ï¼ç 究äºé天河æµåæ²³æµç½ç»å¨æååï¼å¯¹æ¯åæäº3 m CubeSatä¸30 Landsat 8ã10 Sentinel-2ææåçæ²³æµç½ç»ï¼ä»¥å5ç§ç°ææ°´ä½æ°æ®éï¼GRWLï¼GSWï¼FROM-GLC 2017ï¼OpenStreetMapï¼HydroSHEDSï¼ãç 究ç»æ表æï¼ï¼1ï¼ç 究åºå æ²³æµç½ç»5ææ°´ç³»å¯åº¦è¾ä½ï¼0.38 km-1ï¼ï¼7â8ææ²³æµç½ç»è¿å ¥ä¸°æ°´æï¼æ°´ç³»å¯åº¦æ¾èå¢å è³0.61 km-1ï¼9ææ²³æµç½ç»è¿å ¥å¹³æ°´æï¼æ°´ç³»å¯åº¦è¶äºå¹³ç¨³ï¼0.53 km-1ï¼ï¼éåè¿ ééå并äº10æå¼å§å»ç»ï¼æ°´ç³»å¯åº¦è¿ ééä½è³0.37 km-1ï¼ï¼2ï¼éç¨é«ç©ºé´å辨çCubeSatææåçæ²³æµç½ç»è½å¤è¯å«æ´å¤ç»å°æ²³æµï¼æ²³å®½3â30 mï¼ï¼CubeSatææåçæ²³æµæ»é¿åå«ä¸ºLandsat 8ãSentinel-2ææåæ²³æµæ»é¿ç1.6åå1.3åï¼ï¼3ï¼CubeSatææåçæ²³æµç½ç»æ°´ç³»å¯åº¦é«äºç°ææ°´ä½æ°æ®éï¼2.9â12.4åï¼ï¼å¼¥è¡¥äºç°ææ°´ä½æ°æ®éæ æ³åæ ç»å°æ²³æµçä¸è¶³ã
منابع مشابه
Tracking Dynamic Northern Surface Water Changes with High-Frequency Planet CubeSat Imagery
Recent deployments of CubeSat imagers by companies such as Planet may advance hydrological remote sensing by providing an unprecedented combination of high temporal and high spatial resolution imagery at the global scale. With approximately 170 CubeSats orbiting at full operational capacity, the Planet CubeSat constellation currently offers an average revisit time of <1 day for the Arctic and n...
متن کاملTracking Dynamic Resting-State Networks with High Temporal Resolution fMRI
plot of the average signals in (a) visual (b) sensory-motor networks. Tracking Dynamic Resting-State Networks with High Temporal Resolution fMRI H-L. Lee, B. Zahneisen, T. Grotz, P. LeVan, and J. Hennig Medical Physics, University Medical Center Freiburg, Freiburg, Germany Introduction Resting-state fMRI detects spontaneous BOLD signal fluctuations when no specific cognitive task is being perfo...
متن کاملRunoff Simulation by SWAT Model Using High-Resolution Gridded Precipitation in the Upper Heihe River Basin, Northeastern Tibetan Plateau
The scarcity and uneven distribution of precipitation stations in the inland river basins of the Northeastern Tibetan Plateau restrict the application of the distributed hydrological model and spatial analysis of water balance component characteristics. This study used the upper Heihe River Basin as a case study, and daily gridded precipitation data with 3 km resolution based on the spatial int...
متن کاملHigh-resolution climatology of atmospheric water transport on the Tibetan Plateau
Introduction Conclusions References
متن کاملDynamic High Resolution Deformable Articulated Tracking
The last several years have seen significant progress in using depth cameras for tracking articulated objects such as human bodies, hands, and robotic manipulators. Most approaches focus on tracking skeletal parameters of a fixed shape model, which makes them insufficient for applications that require accurate estimates of deformable object surfaces. To overcome this limitation, we present a 3D...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of remote sensing
سال: 2021
ISSN: ['1007-4619', '2095-9494']
DOI: https://doi.org/10.11834/jrs.20219268