Questions tagged [precipitation]

Precipitation is a common climatic variable used in many GIS modeling processes

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Reprojecting of raster using QGIS

The raster I am trying to reproject is found here https://psl.noaa.gov/data/gridded/data.gpcp.html, and it's the first one "Monthly Mean" (so you might try to do it yourselves). Problem is ...
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Understanding NOAA/GFS0P25 dataset of Google Earth Engine scale change

I have noticed that there are a big differences between the forecasting values of the years 2018-2019 against 2020 for 'total_precipitation_surface'. var dataset = ee.ImageCollection('NOAA/GFS0P25') ...
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Projecting a PRISM raster from NAD1983 to Albers Equal Area PCS in ArcMap: Why does my raster change position and cell size?

I want to perform zonal statistics on PRISM precipitation rasters using watershed shapefiles as my input zone features. I'm operating under the precept that I should project all my data into the same ...
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How to handle multiple rasters (precipitation data) in QGIS?

Currently I am working at a hydrological model for Rwanda which needs monthly precipitation data averaged over the area of subcatchments. The precipitation data are 144 TIF's from CHIRPS for timespan ...
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How to download GPM rainfall data automatically?

How to download GPM rainfall data automatically? I tried to use DownloadGPM.R Function, but I think I had problem with Axel download accelerator. I guess I need to declare Axel as environment ...
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Calculating spring precipitation totals from monthly PRISM time series using Google Earth Engine

I'm working with monthly precipitation data from PRISM Climate Group for the time period Oct. 1991 to Sept. 2021. The monthly images are currently in an imageCollection and I'm trying to calculate the ...
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GPM monthly data is inconsistent with the half hourly data aggregated to monthly

I wrote a code in GEE to first aggregate half-hourly GPM data into cumulative daily precipitation and then aggregate daily data into cumulative monthly data. In the next step, to ensure that my code ...
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Extract precipitation values for polygons over PRISM dataset using Google Earth Engine

I am trying to extract monthly PRISM ppt values over 58 polygons for 1 year. I am able to extract the values for one month (image), but when I try to map over the entire image collection, the result ...
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Getting the monthly aggregate precipitation values from ERA5-Land Monthly Averaged - ECMWF Climate Reanalysis

I have a problem with the ERA 5 - Dataset. What I need are the monthly aggregated values for the precipitation in my region. In the "ERA5 Monthly Aggregates - Latest Climate Reanalysis Produced ...
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ERA5-Land Hourly Precipitation Chart and Map

I am little bit confused how to handle the "ERA5-Land Hourly"-Dataset in GEE. I want the total precipitation of every month from 2018 till end of 2021 for my area. For the chart I took the ...
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Which format to display the gsmap downloaded data in QGIS?

Where can I download gsmap data especially for precipitation / rainfall and which format can be supported by QGIS software?
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Error in merging two raster files (precipitation) in QGIS

The newly computed geotiff shows the extent of both raster layers, but only the data of one. If I use identify features tool it gives me only the values of the visible part not of the other part. I ...
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Simulate water runoff to get water height over each pixel of DEM

Here is my problem that I am trying to deal with. I have given a height map of around 512X512 resolution(It is Geo-referenced and I have the meta-data for this). And I have given that this area ...
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Open-source tools for run-off depth calculation

I am working on modeling surface run-off (in ArcGIS 10.2) due to a rain event (e.g., 5 year rain for a duration of 30 mins.) over an approx. area of 30 km2 for which I have a DEM and necessary soil as ...
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Use data from 'UCSB-CHG/CHIRPS/DAILY' to calculate total precipitation

The total amount of precipitation for the same days using data from 'UCSB-CHG/CHIRPS/DAILY' gave almost identical amounts of precipitation for a large country and for a city in the country. How can I ...
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Looping through points in an image to find date range with highest cumulative rainfall

New to GEE and confused about difficulty of iterating through items. I want to find the planting season, which is very location specific, and I define it as the 90 day period at a given location with ...
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Getting range from radar weather data NetCDF file (Python)

I am trying to find the range distance from the NetCDF files of a radar looking at precipitation data. Below I have attached the header of all data values the NetCDF file provides. I see the file ...
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3D rainfall rendering

The following link shows how to render rainfall in a 3D scene using JavaScript in ArcGIS API. I don't have any experience using ArcGIS API thus, is it possible to render precipitation and cloud cover ...
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What if there is a site where the rainfall data is 0 with Empirical Bayesian Kriging in ArcGIS Pro

The ESRI official website tells that it is good for precipitation using Logarithmic empirical transformation. But in my 21 sites, some have 0 precipitation, especially in winter. How can I process it?
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Zonal stat of imd rainfall .nc file for polygons within shapefile using PyQGIS

How to extract imd rainfall data for polygons(district level) within a shapefile?. Used PyQGIS , solution (given below) wherein output for each day of all polygons is exported as .csv file. Had to ...
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Identifying the certain values and counting the event of maximum precipitation with it's date and pointID with Python

I have a CSV file of my study area and I want to choose best area in this large study area to run my modelling for hydrogeology which is based on maximum event precipitation. I have the code and I can ...
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NetCDF file is rotated QGIS

I downloded IMERG precipitation data as NetCDF files but when I use QGIS to open them, the raster files are rotated. Does anyone know how to solve this?
Anas Hesham's user avatar
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1 answer
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GPM annual precipitation using Google earth engine

I'm trying to calculate GPM v6 annual precipitation using the google earth engine. but show this error: Line 11: ee.ImageCollection(...).select(...).filterDate(...).filterBounds(...).clip is not a ...
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Downloading JAXA/GPM_L3/GSMaP/v6/reanalysis" hourly product in Google Earth Engine

I want to download "JAXA/GPM_L3/GSMaP/v6/reanalysis" hourly product for a relatively large area approximately 300000 square km and for a long period of time, say 15 years, since this product ...
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33 views

Is it okay to do analysis on coarse rainfall data, since the area calculations can be highly misleading

I need to find the area of different classes within the rainfall data, which will be pixel-based, and since coarser data may under and over cover the study area (image below), the area calculations ...
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High Resolution Monthly or Annual Precipitation data for four corner states or the Navajo Nation

I was wondering if anyone on here might know where I can find 30 meter resolution Average Annual or Average Monthly Precipitation data, that would cover the 4 corners area (UT, AZ, NM, CO) or ...
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Summing multiple years of rain data using Google Earth Engine?

I am trying to determine the what areas tend to get rain in a specific interval of time over multiple years. What I am doing is taking the filter date (in this case June 15th through July 15th) and ...
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Getting IMERG Daily Rain in CSV format through Google Earth Engine

I am working on google earth engine JavaScript API. I need daily rain data of IMERG in CSV file format for my given shapefile area. Through below mentioned code I am not getting rain values in CSV ...
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Daily rainfall chart in a polygon between dates in GEE

I would like to make a chart of daily rainfall in a polygon of a shape file collection. var inidate = ee.Date.fromYMD(2020,5,1) var enddate = ee.Date.fromYMD(2020,11,10) // Difference between start ...
Claudio Hernández's user avatar