Questions tagged [climate]

For questions related to climate data or analysis, such as precipitation or temperature.

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1answer
20 views

How can the maximum temperature (tmmx) band in the TerraClimate GEE dataset be interpreted?

This question was already asked here. But there was no correct answer. link I'm using the precipitation, maximum temperature (tmmx) and soil moisture in the TerraClimate dataset in GEE. I cannot find ...
0
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0answers
13 views

Identification of cloudy days based on Net Radiation data

How can I identify that a particular day is cloudy or clear sky based on the daily time series of Net Radiation (calculated at FluxNet/AMERIFlux sites)? I read somewhere that clear sky radiation has ...
1
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1answer
23 views

Calculating monthly averages from daily precipitation data

I have a raster brick for daily precipitation data and i need to convert it to monthly data, how would I go about doing this? Each layer is a day and there are 34698 days (i.e. too many to go through ...
2
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0answers
63 views

Spatial interpolation of climate data using latitude, longitude and elevation in r

I have downloaded E-OBS gridded daily climate data on 0.1-degree grid. For each grid point, I have longitude, latitude, elevation and climate data, i.e. precipitation sum / mean temperature. Now, I ...
1
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0answers
16 views

Download Daymet tileID grid?

I'm trying to download tiled Daymet climate data ([see here])1. One can automate this process using a shell script, but you need to know the tileIDs that you want. Is there a way to download the tile ...
1
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1answer
34 views

How to replace an ImageCollection stored as variable by an ImageCollection stored as Asset in a GEE script?

I'm trying to clip and export climate data (annual max) from one ImageCollection to an already existing table with (annual max) NDVI values and clip them with conflict points stored in ...
2
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1answer
60 views

Reduce image collection to annual maximum in GEE

I want to control my NDVI trends with climate variables. Therefore I am using temperature, precipitation and soil moisture. But since my NDVI is in annual maximum I need to have the same format for ...
0
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0answers
16 views

How to calculate hot and cold spots using ArcGIS

I have to calculate the GiZScores to Dengue incidences in District wise.This should be done using ArcGIS software by using Getis Ord GIS tool. But the problem is that I have to use climatic factors (...
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0answers
10 views

Create map of frost free days using Daymet data in ArcGIS

I stumbled on DAYMET today for creating graphs in R for frost free days at a given location. This was all using boiler plate code someone in my agency made where you just change lat/long; I'm an R and ...
0
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1answer
45 views

Why does extracting the values from climate data rasters to points take so much time in the Google Earth Engine (GEE)?

I have written a script in the Google Earth Engine to extract values from 5 images (all climate data) to a list of points which I have imported from a csv to a feature collection. In principle it ...
0
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2answers
378 views

Export ERA5 Image Collection data from Google Earth Engine

I'm trying to export the ERA5daily Image Collection data from Google Earth Engine using the GEE API in python. I need the Max Temp, Min Temp and Average Temp for the time between 1979 and 2016 (in the ...
1
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1answer
68 views

How many bands can a single NetCDF file contain?

I am collecting some precipitation data (centimeters of precipitation per day) from the Gridmet dataset (http://www.climatologylab.org/gridmet.html). The data comes in a NetCDF format and there is a ...
0
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0answers
33 views

Seeking shapefiles of oceanic global climate zones (tropical/subtropical/temperate)

I need to make a map highlighting the marine tropical zone but could not find any shapefile containing that information. Some sites have lots of information on marine zoning (Marine Regions) but ...
3
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0answers
237 views

Rotate coordinates from climatic data in raster format (cordex-EU domain 11) to usual coordinate systems

I am trying to create a dataset that shows future climatic condition in Europe aggregates to NUT2 administration level in R. To do so, i work with cordex data (domain EU 11), that is coming ...
0
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1answer
34 views

Moving max using calc and movingFun on a stack of 12 rasters r

I have downloaded the netcdf files of climate water deficit (def) from TerraClimate, years 1981-2010. Each raster is a monthly def for my region of interest, that being entire India. I created a ...
2
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1answer
81 views

Cannot extract data from raster in QGIS

I'm trying to extract climate variables in QGIS for sample points with a raster dataset. The raster comes from ClimateNA (https://adaptwest.databasin.org/pages/adaptwest-climatena) and is available as ...
1
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1answer
217 views

Calculating ERA5 2018 monthly 2mt temperature anomalies in Google Earth Engine

I am trying to calculate in Google Earth Engine using ERA5 the monthly 2mt temperature anomalies from January to December 2018 compared to the long-term reference period of 1981-2010. In other words, ...
1
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0answers
56 views

Aggregate Willmott and Matsuura Temperature Climate Data on Country Level

I'm looking for monthly mean temperature data on the country-level since 1900, or at least 1950, with temperature weighted according to population density. The common database for the spatial ...
0
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0answers
35 views

Shift time in NetCDF files

I have a folder which contains (monthly) nc files from January 1980 to December 2015 with hourly data for different compounds (such as PM2.5, O3, NO2, NO, etc).The time is in UTC as follows: int ...
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0answers
77 views

Daily averages in local time from UTC

It has been almost 2 weeks since I started getting familiar with netCDF files and operators (NCO) and climate data operators (cdo) and I am not an experienced programmer. I have a folder which ...
0
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0answers
67 views

Automating Model Builder (ArcMap) for NetCDF Processing

I have a NetCDF with 30+ years of monthly data from which I want to find the climatological normal. Using the NetCDF tutorial I found through NOAA (https://www.esrl.noaa.gov/psd/data/gridded_help/...
0
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1answer
320 views

Performing trend analysis with R?

I have data of monthly temperature for 60 years. I want to analyze the trend for the monthly temperature in R. How do I construct R Code which would analyze monthly trend over the time series to ...
1
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1answer
128 views

Opening .clim file with QGIS

I downloaded data from http://climate.geog.udel.edu/~climate/html_pages/download.html in order to retrieve temperature and precipitation data. What I actually want is mean temperature and ...
0
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1answer
149 views

Plotting data only inside polygon in MATLAB?

We can plot data with polygon in MATLAB as a data size of 651*1200*12 S.X and S.Y shows the X and Y values of polygon. for i = 1:12 subplot(4,3,i) pcolor(lon1,lat1,data(:,:,i)) ; shading interp ; ...
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2answers
32 views

Specifying which point buffers fall within a particualar land type (polygon)

I have a point buffer layer which represents tick occurrence and a polygon layer which represents landcover types (derived from Corine land cover). I want to define which point buffers (1km) fall ...
1
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0answers
26 views

How to create a surface layer from gridded point data of air temperature and Precipitation?

I want to aggregate monthly averages of temperature and precipitation over a 10-year period into weighted seasonal averages (DJF) for use in interpolation. I have downloaded Shapefiles for each month (...
0
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2answers
218 views

skimulator - Python error message on Windows 10 - load_entry_point

I am running python code called skimulator on Windows 10 to model Arctic ice drift and sea/wave velocities for a satellite mission in 2025. Its installed using Anaconda navigator with a python 3, ...
0
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1answer
851 views

Error message, for “pip install /path/to/the/skimulator/directory” on Windows 10 Anaconda/python

I am trying to install skimulator on my windows 10 system. This is for simulating images of sea ice drift in the Arctic, for 2025 satellite mission. I have installed Anaconda/python and followed the ...
2
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1answer
36 views

Presenting climate data over time?

I'm trying to map (using ArcMap 10.6.1) some climate change data and I'm not entirely sure how to classify the raster datasets. For this work I am focusing on four different climate change scenarios: ...
1
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1answer
211 views

Any efficient workaround to reshape and aggregate multi-layers raster grid in R?

I have historical daily minimum/maximum temperature observations data in two big netCDF file, so I used raster::stack to import those in RasterStack object. However, here I want to reshape and ...
1
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1answer
455 views

Extracting Netcdf climate data for multiple locations at different times using R?

I have daily sea surface temperature and air temperature data from 1980 to 2018. How do I extract values for multiple (up to 100) specific locations at different dates in one go to csv. Right now I ...
0
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0answers
34 views

I am using Mosaic to New Raster for AvgMin temp for each month, I need to reference from which month any given pixel in the output was populated from

In ArcMap, I am working with climate data, AvgMin for each month. Using Mosaic to New Raster, and Mosaic Operator set to minimum I can isolate the absolute lowest value over the 12 input rasters, ...
2
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1answer
497 views

Koppen-Geiger climate classification in R

Are you aware of any R library that does the Koppen-Geiger climate classification, once the necessary input gridded (rasters, netcdf etc.) data are provided?
3
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1answer
127 views

How to fetch polygons with top n highest temperature record in multi-layer raster data in R (with reproducible data)?

I have raster gridded data of Germany historical daily temperature observation (15 years' historical daily mean temperature observation) in RasterBrick object. Here is how my raster gridded data look ...
1
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1answer
280 views

Any workaround to extract plain text data in ASCII from `netCDF` file in R

I am wondering about how to proportionally split or subset the gridded dataset in netCDF format where data sources were provided by European Climate Assessments and dataset (link for data source). ...
1
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0answers
324 views

Obtaining regular raster grid from netCDF format grid data in ArcGIS Desktop or R? [closed]

I downloaded E-OBS gridded data from European climate data assessment (grid datasets website and dataset 1 and dataset 2), and I am interested in 0.25 degree grid data of land surface temperature and ...
0
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0answers
172 views

Converting ESRI Grid to GeoTIFF and writing to NetCDF

I'm trying to loop through and read a stack of ESRI grids in a specific projection, convert them to GDAL and then write them out to a NetCDF, but I've never performed this from scratch and I'm running ...
6
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1answer
1k views

Spatially merging NetCDF climate grids?

I'm currently working with a large number of CF-compliant NetCDF climate grids with global coverage that are organized as tiles across a file structure pertaining to particular "variables" and "years" ...
1
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1answer
153 views

How to choose the grid node that falls in Germany from gridded estimated climate data in R? [duplicate]

I am newbie to deal with climate data, so let me go straight with my question. I downloaded data from climate data which asked me to register first before accessing their dataset, and those data are ...
0
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1answer
209 views

Calculating Koppen climate classification in Google Earth Engine seems wrong

For a paper I am writing I need to know the extend of all drylands on earth. Instead of getting third party data I decided to calculate this myself so I keep in control of all steps of the process. ...
1
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1answer
167 views

retrieving all coordinates of gridded temperature data with its metadata that falls in Germany' polygon?

I have yearly gridded temperature observation for all countries, and I picked up recent 35 years' data for climate research. However, in original data, yearly temperature observation has been stored ...
1
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1answer
465 views

Reading d NetCDF4 format climate data observation in R?

I downloaded yearly Temp/Precip observation by the globe from here: Free open source climate data archive, and I download those for my research case: Terrestrial Air Temperature: 1900-2014 Gridded ...
1
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2answers
190 views

Interpreting GLDAS 2.1 precipitation data

I am trying to use the GLDAS 2.1 3-hourly precipitation datasets available at: The dataset is documented here: https://hydro1.gesdisc.eosdis.nasa.gov/data/GLDAS/README_GLDAS2.pdf The data is ...
1
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2answers
97 views

incomplete netcdf files from OpenNex PlanetOS web

I've been trying to download netcdf files of the NASA NEX-GDDP downscaled GCMs dataset from http://opennex.planetos.com/ website. Right now I'm trying to download 7 GCMs historical/projected data for ...
5
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0answers
678 views

Correctly handling climate projection data with R

EDIT: An example setup can be found here: The main file is extract_cordex.R I need to analyze climate data as part of my thesis, however I am not particularly trained in working with climate data and ...
2
votes
1answer
959 views

WorldClim 2.0 Solar Radiation data

I am trying to get Solar Radiation data from WorldClim version 2.0 in R, However, I am using the library raster in R but it seems to not be possible to download this data. (since there is only ...
3
votes
1answer
182 views

What is a valid way of calculating (bioclimatic) variables from climate data in terms of downscaling?

I have average monthly values of minimum and maximum temperature and precipitation and I want to calculate the bioclimatic variables analogue to WorldClim. I also do statistical downscaling with ...
1
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0answers
357 views

Downscaling 1km data to 250m with points

I am doing some species distribution modeling with MODIS 250m data, and would like to downscale 30 arc-second (1km) bioclim data to 250m so that I can use them in my models. My idea is this: Rather ...
1
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0answers
42 views

Looking for high quality Koppen climate maps [duplicate]

I wonder if anyone can point me in the direction of high resolution Koppen climate maps for use in academic research. I want to accurately place c. 100 study sites from around the world in their ...
-1
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1answer
50 views

climate data for Europe [duplicate]

I am looking for climate rasters (temperature, precipitation) for European continent. I know WorldClim (1km/pixel) but it is too coarse. Do you know, where can I download finer data, for example ...