Rivwidthcloud
Websignificantly improves the computational efficiency compared to the original RivWidthCloud, which calculates a dynamic orthogonal (angle and length) for each image, but care must be taken in ... WebApr 1, 2024 · They have developed a RivWidthCloud algorithm to estimate the river width from satellite imagery. Sentinel 1 images are used for the monsoon period because of cloud cover in monsoon season, and Sentinel 2 images are used for non-monsoon period. 4. Results and discussion4.1. Estimate of water level time series using satellite altimetry
Rivwidthcloud
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WebFeb 12, 2024 · @article{osti_1599230, title = {Determining flow directions in river channel networks using planform morphology and topology}, author = {Schwenk, Jon and Piliouras, Anastasia and Rowland, Joel C.}, abstractNote = {Abstract. The abundance of global, remotely sensed surface water observations has accelerated efforts toward … WebRemote sensing. Hydrology. Climate change. Dr. Yang’s research interests include global scale inland water processes and their response to climate change and other human influences. His recent studies take advantage of the advances in cloud computing to study lake and river properties from decades of satellite records.
WebDec 16, 2024 · CryoSat-2 observations are the same as those used in Jiang et al. (2024), covering the period 2010–2014. Widths are extracted using the RivWidthCloud algorithm in Google Earth Engine (Yang et al., 2024). We used Landsat 5 and Landsat 8 images, and we selected images avoiding cloud cover and obtained an even distribution in time. Websignificantly improves the computational efficiency compared to the original RivWidthCloud, which calculates a dynamic orthogonal (angle and length) for each image, but care must …
WebJun 17, 2024 · This repository provides three data files in CSV format: 1. Gauge name, lat/lon information 2. Gauge name, date, and multi-temporal river width extracted from Landsat 3. Gauge name, date, and BAM/geoBAM estimates of river discharge with monthly Q priors Note: the multi-temporal river width data were extracted from Landsat imageries using … WebDec 1, 2024 · RivWidthCloud is a river width software package developed on the Google Earth Engine cloud computing platform that allows users to easily apply the algorithm to the platform’s vast archive of remote sensing images, thereby reducing the users’ overhead for computing hardware and data storage.
WebDec 1, 2024 · 1 INTRODUCTION. Remote sensing is transforming what we map, measure, and analyze in fluvial geomorphology (Marcus & Fonstad, 2010), helping transform the …
WebFeb 1, 2024 · Fig. 1. Steps to derive river centerlines. (a) Landsat RGB image. (b) Water mask. (c) Channel mask. (d) River mask. (e) Distance to closest nonwater pixel. (f) Gradient of the distance map. (g) Raw 1-pixel-wide centerline. (h) Final river centerline after removing spurious branches. (i) Cross-sectional lines with length scaled by the widths calculated … mary ann mcdermottWebRivWidthCloud can estimate individual channel width in the case of multichannel rivers. Change the AOI to a multichannel river and observe the resulting centerline and width data. Note down things you think are different from the single-channel case. Assignment 2. Answer the following question. huntington township nyWebSep 18, 2024 · RivWidthCloud, or RWC, is an open source software written to automate extracting river centerline and width from remotely sensed images. It was developed for … huntington township public libraryWebRemote sensing. Hydrology. Climate change. Dr. Yang’s research interests include global scale inland water processes and their response to climate change and other human … huntington township york springs paWebWith widths from RivWidthCloud 133 26 - 159 Width filtering (within 1-km, cloud flag) 85 14 - 99 Estimated Q with corresponding USGS sediment data 79 14 - 93 Suspended Sediment … mary ann mccracken statueWebApplication of RivWidthCloud (Yang et al., 2024) to quantify multitemporal width change. Investigating planform change at sites of critical infrastructure (geomorphic hazard … huntington township public library indianaWebThe original GEE-based width extraction method, known as RivWidthCloud, was developed by Yang et al. . Later, Feng et al. ( 2024 ) modified RivWidthCloud for large-scale applications. Specifically, Feng et al. ( 2024 ) mapped a fixed orthogonal vector onto the river centerline and then calculated river width for each orthogonal per image. huntington township york county pa