Skip to main content
8 votes
Accepted

Public sources of topographical data of Earth?

This is an interesting and common question, so I'll try to give a good answer here, that I think is a good place, as well as GIS and Open Data SE. First, regarding the format, you will never find data ...
Camilo Rada's user avatar
  • 17.7k
8 votes

Global areas below sea level dataset?

You could try building one using a global Digital Elevation Model. There are several freely available like TanDEM-X, SRTM, or ASTER GDEM. You'd have to look for all the pixels containing a negative ...
Jean-Marie Prival's user avatar
7 votes
Accepted

Street and road data

Google Maps and MapQuest have gathered data and information through subcontractors and their own internal efforts. Their information is proprietary and is very hard to gain access to (and most methods ...
Trevor J. Smith's user avatar
7 votes
Accepted

Why does NOAA no longer provide sunshine data?

It was not discontinued Using the Climate Data Online tool from NOAA's website, I was able to get sunshine data through March 1st of this year for both major airports in my metropolitan area. ...
kingledion's user avatar
  • 3,376
7 votes
Accepted

Freely available and re-distributable weather observations over the US?

Such a dataset can be found via the NCDC. Here is the main gateway. My 'go to' place for high temporal resolution data from NCDC is the 5-minute ASOS data.
BarocliniCplusplus's user avatar
7 votes

What is the (average) velocity of ocean currents?

This is not meant to be a comprehensive answer: Sometimes the easiest way to calculate the velocity of an ocean current is to take the published transport of the current and divide by the total depth ...
arkaia's user avatar
  • 15.5k
7 votes
Accepted

High-resolution georeferenced population data

For "historical" population data, you can refer to the Gridded Population of the World (GPW), version 4. This dataset makes available estimates of population at ~1 km resolution (30 arc second) for ...
Nemesi's user avatar
  • 1,268
7 votes

An approximate, piecewise continuous analytical model for Earth's radial density profile useful for numerical integration?

From Table I in the admittedly dated Preliminary Reference Earth Model, $$ \rho = \begin{cases} 13.0885 - 8.8381 x^2 & \quad \phantom{000}0\phantom{.0} \le r < 1221.5 \\ 12.5815 - 1.2638 x - 3....
David Hammen's user avatar
  • 23.7k
6 votes

Where can I find the record for the heaviest single-day rainfall ever recorded on any date at a specific location?

Sounds like your question, like most questions about historical data, might be a little challenging to find the right source, as it often is around the world. But seeing you said Atlanta brightened ...
JeopardyTempest's user avatar
6 votes
Accepted

If the study of "minerals" is covered by inorganic chemistry

The study of minerals is the field "mineralogy" In some ways it would be a subset of inorganic chemistry, restricted to crystaline materials of natural origin. However, mineralogy includes the ...
haresfur's user avatar
  • 4,419
6 votes

How to make a Python function return the Moon's gravitational force (acceleration) to calculate orbits?

From my understanding, it should be possible to follow a similar procedure as what is done for calculating the gradient of gravity potential for the Earth (ignoring the potential corrections due to ...
Rafa's user avatar
  • 233
5 votes

Does anyone have absorption coefficients at different wavelengths for sulfur dioxide?

The US National Institute of Standards and Technology is a good source. The following image show absorbance between 2.5 and 32 $\mu$m. For wavelengths shorter than 2.5 $\mu$m, other sources (less ...
Camilo Rada's user avatar
  • 17.7k
5 votes
Accepted

where can I download ECHAM climate model data?

Where to find the data The German Climate Research Center (DKRZ, Deutsches Klimarechenzentrum) hosts the Word Data Center for Climate (WDCC). You can search the WDCC via the CERA Database (cera-www....
daniel.heydebreck's user avatar
5 votes

NCEP reanalysis model levels

Grid Resolution of the NCEP/NCAR reanalysis data The data is available on different grids depending on the variables of interest: The original grid is a T62 Gaussian grid, which grid cells do not ...
daniel.heydebreck's user avatar
5 votes
Accepted

How much would weather data from ocean-going vessels improve climate research?

"Ship of opportunity" weather observations have contributed to global data collection exercises since the dawn of meteorology as a science. There are many national and international ...
Andy M's user avatar
  • 2,091
4 votes
Accepted

Canadian equivalent to AMLIS database?

Try: Federal Contaminated Sites Inventory as well as Crown Contaminated Sites Database (British Columbia) Orphaned/Abandoned Mine Site Rehabilitation (Manitoba) Abandoned Mines Information System-...
DavePhD's user avatar
  • 5,962
4 votes

Open Mining facility/operation GIS data

For the US, there are several sources: Mineral Resources Data System (MRDS) MRDS is a collection of reports describing metallic and nonmetallic mineral resources throughout the world. Included are ...
Earth Science Expatriate's user avatar
4 votes
Accepted

Single-layer water content variables

The ERA Interim reanalysis is made by ECMWF and the other reanalysis is made by NOAA. Reanalyzes of the past are made by running global climate models and these differ because NOAA and ECMWF use ...
Communisty's user avatar
  • 1,064
4 votes

Format/interpretation of NOAA Elevation Data

If you can find a NetCDF file, I would recommend using it. NetCDF is a very common self-documenting format with libraries widely available for any language that is suitable for scientific data ...
gerrit's user avatar
  • 11.7k
4 votes

weather forecast data: how to know what to choose

No agency is running 1-km forecasts globally... and certainly not out 14 days. The only 1-km forecasts I have heard of are for small regions and just 2 days. If you can live with coarser data, ...
f.thorpe's user avatar
  • 13.6k
4 votes

Is There Data Describing the Velocity of Different Heights of a Glacier?

There are many measurements presented in the literature of the velocity profile of a glacier. However, since all profiles will to some extent be dependent on local conditions, I am not sure how useful ...
Peter Jansson's user avatar
3 votes
Accepted

Difference between NCEP's 20th Century daily Forecast and Analysis variables

Some variables in reanalyses have to be forecast and cannot be assimilated to allow the model to converse mass, momentum and energy. Precipitation is a good example. The model will assimilate ...
Ray Bell's user avatar
  • 201
3 votes

Wind direction data

You can download the data from the CRU-NCEP database https://crudata.uea.ac.uk/cru/data/hrg/ CRU stand for Climate Research Unit and it has the most accurate historical data available to the public. ...
Felix Leung's user avatar
3 votes
Accepted

How can I get historical weather data for the United States?

This the portal for the NOAA historical records https://www.ncdc.noaa.gov/cdo-web/search You can specify what you are looking for (Summaries, or other), the time range, the area. They have records ...
marsisalie's user avatar
  • 2,669
3 votes

Where can I get archived hourly temperature data?

ASOS data for all the airports in the world: https://mesonet.agron.iastate.edu/request/download.phtml This website also has a lot of other meteorological data for the United States.
rafiuddin mohammad's user avatar
3 votes
Accepted

Radiometric dating data sets

It sounds like there are two primary ones: No, these are not the two "primary ones". The method used depends on what you are dating, and what age you expect it to be. Radiocarbon dating is relevant ...
Gimelist's user avatar
  • 23.1k
3 votes

High vertical resolution atmospheric sounding data

Looking for similar for another recent question, I stumbled across https://www.sparc-climate.org/data-centre/data-access/fisaps/ which lists quite a few options on HVRRD (high vertical resolution ...
JeopardyTempest's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible