Questions tagged [open-data]

Questions about freely available data.

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1answer
29 views

Temperature at 2 m MERRA2

I need MERRA2 data with Temperature at 2m. I'm checking on https://disc.gsfc.nasa.gov/daac-bin/FTPSubset2.pl but I can't find this variable. Suggestions where I can find them? Or anyone that did ...
2
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1answer
80 views

Global areas below sea level dataset?

Anyone know of an existing dataset of areas below sea level? Vector extents would be ideal. Doesn't need to be super detailed for my purposes, but it would be good if it included all areas (e.g. over-...
1
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1answer
62 views

High-resolution georeferenced population data [closed]

Can anyone recommend a good source for high-resolution georeferenced population data? I know that Natural Earth Data's Cultural Vectors e.g. contain the population per country. However, I am looking ...
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0answers
18 views

Finding free humidity data

I am trying to find historical humidity levels (ideally in percentage format) across the globe divided by sub-country regions or more granular. The time granularity would be daily, but hourly would ...
0
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1answer
47 views

Average thunderstorm days for each month

How can I find the average number of days with thunderstorms for each month for different cities in the United States? I’m doing a researching project for this and I need to find some links that will ...
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0answers
22 views

Determining Horizontal Coordinate System data (azimuth, altitude) for geographic locations

I would like to determine, specifically, azimuth and elevation data for any given location on the surface of the earth relative to another location on the surface of the earth (for my purposes, the ...
3
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1answer
50 views

Where can I download historical sesimic data in CSV/Excel format for processing in R?

I'm not familiar with these kinds of data sets but I'm looking for some data for a project I'm working on. Essentially I would like multiple time series of seismic data from different stations over ...
1
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1answer
72 views

Where I can find high-res public domain images of Countries or Continents on the web

I found this one of Africa: That one is nice because it's > 3000x3000px which is large enough. I have looked around a bit for ones of these countries but haven't found anything that is large/high ...
3
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1answer
59 views

Get atmospheric pressure values through JavaScript

I'm working on a programming project in which I want to show isobars on a map with OpenStreetMap and the HTML tag canvas. The main problem that I'm facing is the dificulty of retrieving consistent ...
1
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1answer
55 views

Where can I find wave height/period, current velocity and wind speed/direction data at the Qiangzhou strait in China?

I'm looking for time series of wave height/ period, velocity currents and wind speed/direction specifically for the Qiangzhou strait in China. Global data sets could also work.
2
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0answers
60 views

Do any of the ECMWF ensemble forecasts have the associated true values?

I am looking for a dataset of ensemble forecasts and the associated true observed values. For example, a dataset containing $n$ ensemble forecasts of the temperature in 24 hours and the observed ...
6
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1answer
146 views

Public sources of topographical data of Earth?

I would like to find sources of topographical data for Earth's surface. I've looked in GIS SE and Open Data SE but haven't found a good answer to this so I though I'd ask here in Earth Science. Are ...
1
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1answer
406 views

Where are old Himawari weather satellite images available to the public? Is the 18-Dec-2018 Bearing Sea fireball still there?

In Scott Manley's new video 173 Kiloton Explosion Over Bering Sea Was Asteroid Breaking Up a bit after 01:30 he says The good news is that in these days of near-...
2
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2answers
62 views

Data for plotting tephigrams

I want to plot some tephigrams. Where can I find pressure, temperature and dewpoint data in text format?
2
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2answers
83 views

mountain database of elevation and distance from saddle (as a proxy for gradient)

I'm interested in doing data visualization projects about mountains. We have data from http://www.peaklist.org/ultras.html complied by Aaron Maizlish (Who we tried to contact but not sure of his ...
2
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1answer
37 views

Where can I find a list of snow fall recording stations in my zip code?

Where can I find the locations on snow fall recording stations in a particular United States county or zip code? Is there a way that I can find an hour by hour recent history of snow fall? Hour by ...
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1answer
46 views

Where can I download Landsat 7 data as GeoTiff

I want to test a program for image classification that uses GeoTiff data with a separate file for each band. So I'm looking for some sample satellite data, preferably of Landsat 7, that doesn't need ...
1
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3answers
57 views

Where can I download recent precipitation data for Cape Town

I need data on monthly precipitation for Cape Town between 1970 and 2018. I found this page: http://cip.csag.uct.ac.za/webclient2/datasets/ But it only seems to offer information until 2000. It's the ...
2
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0answers
21 views

Real time flood data in the United States

I am trying to find real time information about flood events in the United States, ideally in polygon format. So far I have found two sources: USGS Flood Watch: Points where flood sensors are and ...
2
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2answers
178 views

Radiometric dating data sets

I am in the process of learning what sort of data is collected with radiometric dating techniques, used for absolute dating. It sounds like there are two primary ones: Radiocarbon dating (~50k year ...
1
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1answer
216 views

Open Mining facility/operation GIS data

Wondering if there is any GIS data available for mining operations in any places in the world. I looked here but didn't find much: https://catalog.data.gov/dataset?tags=mines https://www.eia.gov/...
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0answers
59 views

What a place that sells rocks is called [closed]

If a nursery sells plants, I'm wondering what a place that sells rocks is called. Something where they offer rocks of various sizes like this: Well, those are all river rocks, but I'm wondering about ...
6
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1answer
107 views

If the study of “minerals” is covered by inorganic chemistry

I am wondering what field studies "minerals", such as the minerals in Wikipedia's list. I keep thinking that perhaps it would be covered in inorganic chemistry (list of inorganic compounds wiki), but ...
3
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2answers
418 views

How to best visualize temperature increase (due to climate change) using GHCN data?

Immediately below is an illustration of my first/prototype attempt to visualize this, which is further explained after that... What you're looking at is a year-by-year animation of TMAX (daily max ...
11
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1answer
418 views

What is the (average) velocity of ocean currents?

Does anybody know where to find statistical (average, standard deviation) data on velocities of ocean currents, such as Equatorial countercurrent North of Madagascar Agulhas current East Australia ...
1
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1answer
32 views

How the stepness can be computed at NDBC from site with only dominant wave data and windwave data

Hi guys I have an small question here. At the NDBC website they have at most of the buoys the steepness of the sea at that time and date: http://www.ndbc.noaa.gov/station_page.php?station=46012 ...
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0answers
22 views

Get barometric data?

Is there any way to get barometric time series for regions of the United States? I know that barometric maps are widely available, but in my case I want to see a time series for one region. However, I ...
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1answer
41 views

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

Does anyone have absorption coefficients for sulfur dioxide at various wavelengths?
2
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1answer
88 views

Where can I find geomagnetic observations for the Indian Ocean region in 2017?

I am looking for the geomagnetic data for the Indian Ocean region. The 3D data should correspond to longitude-latitude grids at hourly intervals. The model data is easily available at NOAA but I need ...
4
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1answer
484 views

where can I download ECHAM climate model data?

Is there any website where can I download ECHAM climate model data?
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1answer
53 views

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

NCEP's Twentieth Century Reanalysis (V2) provides daily variables from 1871/01/01 to 2012/12/31. Monolayer analysis variables are made available in a regular grid and forecast variables in a gaussian ...
4
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1answer
65 views

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

I am looking for a (small) data set of weather observations for a few (say 5-20) weather stations in the US, with observations of precipitation, temperature and wind speed for the year 2016. The data ...
4
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1answer
172 views

Single-layer water content variables

In different reanalysis products (ERA 20C and NOAA/OAR/ESRL/PSD 20th Century daily data specifically) one can find the following variables: Total column water (ERA) Total column rain water (ERA) ...
4
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1answer
122 views

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

I need to find out the largest amount of rainfall ever recorded in Atlanta, Georgia, USA. Where could I find this record?
3
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1answer
146 views

Why does NOAA no longer provide sunshine data?

It seems like NOAA used to provide sunshine data from the US weather stations but no longer does. Is there a reason that was discontinued?
3
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0answers
138 views

How are global cloud cover estimates generated and how is the data accessed?

The website ventusky.com offers three models to produce cloud estimate: ICON, GFS and GEM. They extract a fractional cloud number, shown in percentage. From the ERDDAP portal to the GFS model (...
3
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2answers
1k views

Wind direction data

I'm trying to validate some work I've been doing on extracting wind direction measurements from data. Where can I access historical wind direction data online that gives ~hourly measurements? ...
3
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0answers
137 views

Heating degree days forecast

I am trying to find heating degree days forecast data for a certain state for a long period ( > 3 mons) published by the US government or universities. What I found: Heating Degree Days W. N. ...
8
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1answer
141 views

Dataset for expected sea level rise in case of massive meltdowns (Greenland/Antarctica)

Around the time climate change became a 'public issue' (let's say shortly after An inconvenient truth came out), figures started getting published about the expected (global) sea level rise in case of ...
3
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3answers
562 views

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

I went to the web site of the National Weather Service and clicked around but it was fruitless. How can I get historical weather data in the US? I want to get daily high and low and precipitation for ...
3
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1answer
111 views

Street and road data

Where do companies like Google and Yahoo and Mapquest get their street and road data? Is this a data source that the public has access to?
6
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3answers
406 views

Publicly available data set with ensemble forecasts and observations?

I am looking for a publicly available, easy to download, small data set of ensemble forecasts (or reforecasts), with corresponding observations or reanalysis. We are planning to illustrate some ...
9
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1answer
674 views

NCEP reanalysis model levels

ECMWF Model Levels The above link describes the coefficients used to define the ECMWF model levels in pressure in order to compute geopotential height. Is there a similar data for NCEP reanalysis ...
3
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1answer
215 views

CFSR hourly surface wind time series

I am looking for hourly surface wind reanalysis data for the past two years. I am looking at the CFSR/CFSv2 data accessible from UCAR: http://rda.ucar.edu/datasets/ds094.1 The 6-hourly products are "...
2
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0answers
130 views

Where can I find wave scatter tables (joint probability Hs vs T) for certain coastal regions?

I am struggling to find a database or free source of joint probability of significant wave height and period, i.e. wave scatter tables. Data for buoys are useful, however not available for regions ...
3
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2answers
109 views

How does the air-circulation in the lower stratosphere look like?

I would like to simulate the trajectory of a weather balloon in an altitude of 12 to 20 km. For this I would like to know how the velocity-field (i.e. wind-speed and direction as a function of ...
1
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0answers
218 views

Database/Reference on optimal conditions for plant growth in greenhouses

We are a group of computer science students currently working on a university project to create a (almost) self-sufficient greenhouse. The hardware and software aspects being almost finished, we ...
7
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2answers
2k views

Where can I get archived hourly wind speed data for Germany?

Can some one suggest me a web site for archived hourly wind data for Germany. I have seen here but it was not useful for me.
11
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2answers
673 views

How can I find the nearest point on the coast from an ocean location?

Given some location of interest $X$ in a lake or in the ocean with known lat and lon, I'd like to find the lat and lon of the coastal location that is closest to $X$, as well as distance between the ...
5
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1answer
82 views

Remote Sensing System (RSS) historical atmospheric data continually updated

Does anyone know why every month there are updates to the RSS historical atmospheric data? How can data that is 10 years old need adjusting every month? For instance, here's the difference in data ...