Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

Questions tagged [climate]

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

Filter by
Sorted by
Tagged with
-1
votes
0answers
24 views

trend using GIS [duplicate]

I have 16 rasters layers which represent a value for 16 consecutive years. I would like to generate a map that highlights the magnitude of positive or negative trends in this value over time for each ...
9
votes
1answer
14k views

Using R to extract data from WorldClim? [closed]

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 ...
7
votes
1answer
419 views

Interpolating Daily Values from Monthly Grids using QGIS?

I am currently performing a bioclimatic analysis using monthly averaged climate grids. One particular calculation, Growing Degree Days, relies on daily maximum/minimum temperature and a threshold ...
0
votes
0answers
27 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 ...
0
votes
0answers
61 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
votes
0answers
37 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
votes
1answer
162 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
vote
1answer
42 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 ...
5
votes
1answer
2k views

Calculating Topographic Exposure with ArcGIS Raster Calculator?

I need you help trying to calculate Topographic Exposure (TOPEX) on a DEM in ArcGIS. I am trying to figure out wind exposure on a DEM with 25m cells. There is a great blog post where someone explains ...
0
votes
1answer
79 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 ; ...
0
votes
1answer
307 views

Sea level rise prediction by zip code in the U.S. coasts

I'm relatively new to GIS data and am working on a project on climate change. I can find online predictions of sea level rise by zip code in the U.S. East, West and Gulf Coasts (for example: http://...
1
vote
1answer
368 views

Selecting lines affected by sea level rise?

I'm doing a part for my master's thesis where I'm trying to find out which sites located near the coasts of Sweden that will be affected by sea level rise. I got a DEM with height data and have to ...
1
vote
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 ...
1
vote
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 (...
0
votes
2answers
202 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, ...
6
votes
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. ...
0
votes
1answer
314 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 ...
3
votes
2answers
5k views

Acquiring global wind data?

Where can I acquire global wind (speed and direction) data? Preferably in some kind of GIS format and free of charge.
1
vote
4answers
306 views

Source for wind energy potential for India in GIS format

I am looking for wind energy data (they can be wind speed at any height or wind energy potential) for India in a GIS format. Like the data displayed the link below: http://www.arcgis.com/apps/...
2
votes
1answer
35 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: ...
0
votes
2answers
355 views

Downloading climate data? [closed]

I just want somebody to help me with a link so that I can download global climatic data variables like temperature, precipitation, cloud cover etc
5
votes
0answers
399 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 ...
11
votes
4answers
8k views

How to interpolate temperature correctly?

I tried to interpolate the mean average annual temperature to produce a "realistic" surface. In QGIS I used Raster-Interpolation-Interpolation. Both methods TIN and IDW did not deliver a "realistic" ...
1
vote
3answers
80 views

Current Global Climate Dataset

I am looking for gridded Current Global Climate Datasets (Mean Temperature and Precipitation) at 30 second resolution? Can anyone guide me to get it.?
1
vote
1answer
304 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
vote
1answer
286 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 ...
1
vote
1answer
171 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 ...
0
votes
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
votes
1answer
315 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
votes
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 ...
1
vote
1answer
191 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
vote
2answers
78 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 ...
1
vote
0answers
203 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 ...
4
votes
1answer
791 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" ...
0
votes
0answers
133 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 ...
0
votes
1answer
118 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
vote
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 ...
1
vote
1answer
140 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
vote
2answers
128 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 ...
2
votes
1answer
470 views

Google Earth Engine - NASA/NEX Climate Data

I am working with the NASA/NEX-DCP30 downscaled climate data. Ideally, I would like to set a threshold for two bands - pr (precipitation) and tasmax (maximum temperature) and filter it to display ...
2
votes
1answer
744 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
148 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
vote
0answers
282 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
vote
0answers
38 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
votes
1answer
48 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
votes
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
votes
1answer
71 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 ...
1
vote
1answer
123 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 ...
4
votes
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
votes
1answer
242 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 ...