Snow Covered Area & Water Resources - Kajaki Dam Catchment, Afghanistan
The Snow Covered Area (SCA) can be used to predict upcoming floods & droughts during the irrigation season in Central Asia. In this video I will show you how to download and process SCA data from Afghanistan to predict the floods of 2019 and 2020 and the droughts of 2018 and 2021. We will be using the 500x500 metre resolution MODIS MOD10A2.006 dataset. It will be processed in AppEEARS to give us the number of pixels classified as snow, land, water and cloud cover for the Kajaki Dam catchment in Helmand Province from 2000 to present.
We will import this dataset into a Table in an MS Excel Template, where we will process it automatically using customised formulas and PivotTables. The output will be presented in a PivotChart controlled by a Slicer so you can look at individual years of data from 2021 to present.
Download the template & Kajaki date here:
Snow Covered Area (SCA) Template: https://bit.ly/3EARn6W
Kajaki Dam data zip file: https://bit.ly/3nOcxrl
My special thanks to Naseer Kajakiwal for sharing with me some recent pictures of the terrible drought situation in Helmand Province.
Chapters
00:00 Introduction to Snow Covered Area
00:46 2019 - Wet Year
01:38 2020 - Wet Year
02:14 2021 - Dry Year
02:51 2017-2021 SCA & Water Levels Kajaki Reservoir
04:06 Download SCA from AppEEARS
06:56 Import SCV data into Excel Data Table
07:57 Export SCV data to Processed Data Table
09:01 Update the Dashboard
10:36 How to deal with clouds
13:31 Time Series PivotChart
14:09 Long Term Annual Average SCA
15:03 Concluding remarks
Useful links:
AppEEARS website: https://lpdaacsvc.cr.usgs.gov/appeears/
Water Balance of River Basins PlayList: https://youtube.com/playlist?list=PLp1lK6n-xb5MPuDmzx3xJK8RKKdFtQbMD
CHIRPS Precipitation: https://youtu.be/TPSN71KuOUM
MODIS evapotranspiration - Introduction: https://youtu.be/3r_6il0EViw
MODIS evapotranspiration - Processing: https://youtu.be/cUAtYyGI9mI
Snow Monitoring - Introduction: https://youtu.be/JiBpWtVZ3vs
Snow Monitoring - USGS Snow Water Volume: Kajaki Dam: https://youtu.be/-gHApy8eEs4
Snow Monitoring - MODIS Snow Covered Area: Kajaki Dam (this video): https://youtu.be/Kipd0hcxV4E
Reference:
Hall, D. K. and G. A. Riggs. 2016. MODIS/Terra Snow Cover 8-Day L3 Global 500m SIN Grid, Version 6. [MOD10A2.006]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/MODIS/MOD10A2.006. [Accessed 24 October 2021].
#SnowCoveredArea #WaterResources #KajakiDam
Видео Snow Covered Area & Water Resources - Kajaki Dam Catchment, Afghanistan канала Geosearch International
We will import this dataset into a Table in an MS Excel Template, where we will process it automatically using customised formulas and PivotTables. The output will be presented in a PivotChart controlled by a Slicer so you can look at individual years of data from 2021 to present.
Download the template & Kajaki date here:
Snow Covered Area (SCA) Template: https://bit.ly/3EARn6W
Kajaki Dam data zip file: https://bit.ly/3nOcxrl
My special thanks to Naseer Kajakiwal for sharing with me some recent pictures of the terrible drought situation in Helmand Province.
Chapters
00:00 Introduction to Snow Covered Area
00:46 2019 - Wet Year
01:38 2020 - Wet Year
02:14 2021 - Dry Year
02:51 2017-2021 SCA & Water Levels Kajaki Reservoir
04:06 Download SCA from AppEEARS
06:56 Import SCV data into Excel Data Table
07:57 Export SCV data to Processed Data Table
09:01 Update the Dashboard
10:36 How to deal with clouds
13:31 Time Series PivotChart
14:09 Long Term Annual Average SCA
15:03 Concluding remarks
Useful links:
AppEEARS website: https://lpdaacsvc.cr.usgs.gov/appeears/
Water Balance of River Basins PlayList: https://youtube.com/playlist?list=PLp1lK6n-xb5MPuDmzx3xJK8RKKdFtQbMD
CHIRPS Precipitation: https://youtu.be/TPSN71KuOUM
MODIS evapotranspiration - Introduction: https://youtu.be/3r_6il0EViw
MODIS evapotranspiration - Processing: https://youtu.be/cUAtYyGI9mI
Snow Monitoring - Introduction: https://youtu.be/JiBpWtVZ3vs
Snow Monitoring - USGS Snow Water Volume: Kajaki Dam: https://youtu.be/-gHApy8eEs4
Snow Monitoring - MODIS Snow Covered Area: Kajaki Dam (this video): https://youtu.be/Kipd0hcxV4E
Reference:
Hall, D. K. and G. A. Riggs. 2016. MODIS/Terra Snow Cover 8-Day L3 Global 500m SIN Grid, Version 6. [MOD10A2.006]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/MODIS/MOD10A2.006. [Accessed 24 October 2021].
#SnowCoveredArea #WaterResources #KajakiDam
Видео Snow Covered Area & Water Resources - Kajaki Dam Catchment, Afghanistan канала Geosearch International
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