Questions tagged [climate]

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

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28 views

ESRI-GRID data or ASCII GRID data [on hold]

I'm trying to make a poster with different climate projections for a river basin in Thailand. I would like to make a box & whisker plot for each month in 2030 (will repeat this for other years). ...
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26 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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59 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 ...
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0answers
11 views

Looking for the E-OBS gridded datasets V7.0 /V8.0 /V9.0 or any version published in 2012-2013

I am looking for a daily gridded dataset from ENSEMBLES E-obs published in 2012 or 2013 (version 7, 8 or 9). If anyone has any of them or knows anywhere I could access please let me know.
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31 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/...
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1answer
99 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
35 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 ...
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1answer
68 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
30 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 ...
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0answers
23 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 (...
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2answers
198 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, ...
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1answer
229 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
34 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: ...
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1answer
159 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 ...
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1answer
260 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 ...
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0answers
30 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
275 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?
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1answer
122 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 ...
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1answer
180 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). ...
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0answers
178 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 ...
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129 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 ...
3
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1answer
694 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" ...
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1answer
130 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 ...
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1answer
98 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. ...
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1answer
138 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 ...
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1answer
268 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 ...
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2answers
117 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 ...
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2answers
74 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
362 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
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1answer
698 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
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1answer
132 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 ...
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0answers
263 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 ...
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0answers
33 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 ...
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1answer
47 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 ...
-1
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1answer
63 views

Web GIS App to analyse sub-national health and climate data [closed]

the GIS app would have climate data of a district in raster format (extrapolated surfaces of weather station data for rainfall, temperature etc) and ACCEPT health data (e.g. geocoded malaria ...
2
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1answer
69 views

How to derive rasters with the annual maximum precipitation values from a NetCDF layer spanning multiple years?

I have a NetCDF file of total monthly precipitation (precip.mon.total.v7.nc) spanning from 1901-2013 downloaded from https://www.esrl.noaa.gov/psd/data/gridded/data.gpcc.html and I need to derive the ...
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1answer
110 views

Processing daily PRISM climate Raster datasets?

I am looking to perform principal component analysis (PCA), based on daily gridded raster datasets (7 different climate variables) between 1985 and 2015. I was hoping to take each daily dataset (a ...
6
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2answers
3k views

Where can I find some shapefiles of global climate/climatic zones

Have been looking around a bit for a shapefile/kml/etc file of global climatic zones (as listed here: https://en.wikipedia.org/wiki/Geographical_zone) -- temperature, subtropical, tropical, etcetera. ...
4
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2answers
1k views

Defining a color ramp for temperature range & applying it to different rasters?

I'm using QGIS 2.18 (Las Palmas). I have downloaded Climate-Data from WorldClim and I would like to display all of the monthly maps within the same color scale (and I don't mean within Styles always ...
0
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1answer
220 views

Accessing WorldClim data?

I have been trying to access WorldClim data for several days now, without success. Neither browser-based download nor getData() works in my case. I have tried various end devices, on various ...
1
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1answer
410 views

Making CLM Files in DIVA-GIS

I'm downscaling some climate data for a small area in Italy, and have created the 36 monthly files for Tmin, Tmax and Prec. Having exported from ArcGIS 10.4 into ascii format (integers), then imported ...
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1answer
355 views

Error coercing raster to SpatialPixelsDataFrame in R

I obtain the below error when I try to coerce my raster to a vector. Initially my rasters are of different extents and I use the projectRaster tool to obtain the same extent for both the rasters. ...
2
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1answer
596 views

Using the same mask on two rasters, but I get different extents in R

I loaded a shapefile in R, and cropped and masked it with the same mask, but I get different extents. Any suggestions? Code below: library(raster) library(rgdal) library(GISTools) library(sp) ...
2
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1answer
847 views

Same extent and resolution of rasters, but different number of cells

Based on Unable to writeRaster for signature "rasterPCA", "character", I obtained two rasters that are PC1 and PC2 of a bunch of climatic variables. However, irrespective of having ...
1
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1answer
321 views

Extraction climate mean values from GADM and WorldClim (Finland) using R

[Working with R 3.2.2] I am trying to extract climate mean values country by country from GADM and WorldCLim (www.worldclim.org). The code I am using is the following one: #Install necessary ...
10
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1answer
13k views

How to use R to extract data from WorldClim?

I have a data set with 1000 different latitudes-longitudes. I wish to extract average annual temperature and annual precipitation for each of these coordinates. These data can easily be obtained from ...
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0answers
592 views

Extracting climate data for given coordinates from interface?

I have my own dataset of latitudes and longitudes. I need to extract annual average climatic variables (Rainfall, temperature,sunshine etc) for this specific data set. I tried WorldClim but it ...
0
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1answer
481 views

Extract mean values of climate variables by level 2 administrative area country by country using R?

[Working with R version 3.2.2 in a Mac computer.] I am trying to calculate mean values for climatic variables (http://www.worldclim.org/) for spatial objects in R. The challenge is that I'm trying to ...
1
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1answer
77 views

worldclim: “Current conditions (interpolations of observed data, representative of 1960-1990)”

I am interested in work with climate data since 2012, I found it in http://www.worldclim.org/version1, but there is something draws my attention: There it says: "Current conditions (interpolations ...
1
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1answer
76 views

From raster to vector format? [closed]

I have files from two sources, one has come from http://www.worldclim.org, contains climate variables such as precipitation and temperature on a world scale, in raster format. The other has the ...