Questions tagged [precipitation]

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

Filter by
Sorted by
Tagged with
6 votes
1 answer
2k views

Reducing image collection to get daily sum from hourly precipitation and extraction of polygon data?

I'm using GSMaP image collection in Google Earth Engine, which has hourly precipitation data from 2000 to present. I have a script which helps getting mean pcp data (as a table) from polygon from each ...
Sarvarbek Eltazarov's user avatar
6 votes
2 answers
2k views

Kriging method to use for rainfall?

I am working on an rainfall analysis and I have to interpolate some datas with kriging method. Is co-kriging suitable for the rainfall analysis?
rblerk's user avatar
  • 69
2 votes
2 answers
1k views

Iterating over dates to extract precipitation in Google Earth Engine

I'm looking to sum precipitation for a period of 10-days prior to a specified date. This is just an example - in fact, I have around 60 different dates and I don't want to select each the date ...
egm's user avatar
  • 23
5 votes
1 answer
9k views

Manually adding spatial reference information for FEWS rainfall data in ArcMap?

I am trying to match rainfall data from USGS/FEWS to coordinate locations of survey households in Uganda, so I will need to be able to project the rainfall data. So far, I downloaded the dekadal RFE 2....
Elise's user avatar
  • 63
3 votes
1 answer
206 views

Contours into polygons with QGIS

I'm using QGIS 3.26 to create a precipitation map for Los Angeles. I started with Final 85th Percentile, 24-hr Rainfall contours from here: https://dpw.lacounty.gov/wrd/hydrologygis/ I brought the ...
interwebjill's user avatar
2 votes
1 answer
180 views

Daily Rainfall data processing?

i have a .shp file of gridded daily rainfall data for an entire state. How do i calculate the sum of all 365 days (each day is a field, n recorded for 450 stations) and generate a raster? I am ...
Asra K.Khan's user avatar
1 vote
1 answer
175 views

Reduce image collection to get daily sum from hourly precipitation GSMaP 12:00h pm to 11:00h am

I am trying to adapt a script made available by colleagues from the GEE of the GSMaP image collection. The script obtains data (as a table) of the points of each image available in a given period and ...
Felipe Cardoso's user avatar
1 vote
2 answers
2k views

Calculating watershed runoff with landuse and rainfall data?

What is the method for computing rasters of total rainfall of a given month, flow accumulation, and land use (runoff coefficient) or soil K factor? I am using ArcMap 10.
mapmedia's user avatar
  • 337
1 vote
1 answer
636 views

Reducing hourly rainfall data to monthly data for particular period of time and making a timeseries chart

I am working with GSMaP image collection (hourly rainfall data) in Google Earth Engine. I would like to make a script which is calculating and making a chart of sum rainfall in particular location ...
Sarvarbek Eltazarov's user avatar
-1 votes
1 answer
979 views

Download GLDAS precipitation monthly 1 km resolution data by Earth-engine

Does anyone know how can I get GLDAS precipitation monthly 1 km resolution data by Earth-engine? Or maybe Earth-engine just process annual precipitation data by 0.25 degrees GLDAS product? Where is an ...
Maryam's user avatar
  • 31