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94 results found

  1. GPWv3 link points to an alpha site

    Hi it's me Sneha :) I was visiting the GPW collections page and found a bug on http://sedac.ciesin.columbia.edu/data/collection/gpw-v4, towards the end of the last para on "To see the previous version of GPW, visit the GPWv3 data collection". The link to GPWv3 points to an alpha.sedac.ciesin page.

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  2. Provide a sample request for WPS Population Estimation

    I am trying to execute the WPS but I'm not sure if the format of the xml that I'm providing is correct. A sample request would help me and other users to use the plugin more efficiently.

    Thanks

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  3. Give step-by-step instructions on using your datasets

    There should be a guide on how to properly use the datasets ie how to open them, use the data in JSON format. I, as a new user, know not how to open .tiff files or how to get the data into a CSV or JSON format. Guidelines on this would be much appreciated. The dataset I have downloaded is the zip with population density for 2015 for e.g.
    Thanks!

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  4. FYI -- Population estimate not coming up on Internet Explorer

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  5. I think that GDP layers do not have projection

    Hello, in GDP layers' metadata it describes WGS84 as its projection. Despite that, after downloading these layers, I realized that the folder just contained the tiff documents. So I think you may not have realized these layers are not projected.

    All the best,
    Luis

    1 vote
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  6. Use much higher resolution data avilable for Norway

    The GPW4 maps (e.g. http://beta.sedac.ciesin.columbia.edu/data/set/gpw-v4-population-density-adjusted-to-2015-unwpp-country-totals) uses lower resolution data sets for some countries than necessary. Nor example, it only goes down to municipality level in Norway, while 250 m resolution for that country is available here:
    https://www.ssb.no/natur-og-miljo/geodata
    It is distributed as a set of shapes (https://www.ssb.no/natur-og-miljo/_attachment/101145?_ts=13d3e62d7d0), and corresponding densities (https://www.ssb.no/natur-og-miljo/_attachment/260833?_ts=153847c0a78). I'm sure similar data is available for most other European countries.

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  7. comparison between GPWv3, GRUMP and worldpop

    I found large inconsistencies for population count in Tanzania between GPW 2010 and worldpop 2010 at the district level (2002 boundaries). It looks like GRUMP is more comparable, but it is difficult to compare as GRUMP is not available for 2010. Do you know the reason for the inconsistencies? and would you recommend GPW or GRUMP when calculating population at the district level? Finally, will GRUMP be available for later years in the near future?

    Best,
    Julie

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  8. Can I get annual PM2.5 data from 1998 to 2012?

    The Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD) data sets represent a series of three-year running mean grids (1998-2012) of fine particulate matter. Can I get annual data from this dataset?

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  9. Values in gl_grumpv1_ntlbndid_ascii_30 don’t match between .dbf and .asc files

    I’m looking at the identifier grid file, and the values in the gluntlbnds.dbf file don't match the content of the data in gluntlbnds.asc. For example, when I inspect the 1x1 degree area surrounding the point where Poland, Germany, and the Czech Republic meet, I see the values 167, 52, and 51. In the .dbf file, these should be 137, 111, and 110 respectively.

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  10. consider removing logins

    Every semester, I required my environmental science college class to go to your website and browse through your biome maps to find their "home" biome. However, since you now require people to create an account, I have had to direct my students to other, lower quality maps elsewhere. I don't want them to have to spend 5 minutes creating a login just to use the site for few minutes and I certainly don't want them to all have to give up their email address. These are students, not data points.

    If the purpose of your site providing information to the…

    1 vote
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  11. Human Influence Index 2005-2014?

    I am looking at the possibility of using the HII to understand anthropogenic impact on North American birds as a part of my graduate research. I noticed that the data available is for 1995-2004 and was wondering if 2005-14 is on the works. SO my questions are: 1. Are you working on HII 2005-14? and 2. If you are, will the data be publicly available? When? Thanks.

    2 votes
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    AdminSEDAC User Services (Customer Support Agent, SEDAC) responded

    Hi,

    There are plans to update the HII. However, we are waiting for the updates to the input data layers of HII. An updated HII may not be available until next year.

    To be notified of the latest data releases, including HII and related news that may interest you, please consider following SEDAC on twitter (twitter.com/ciesin) or Facebook (Socioeconomic Data and Applications Center).

    Lisa Lukang
    User Services

  12. WMS Improvement

    Thank you for providing yours data and service.

    I have two suggestion for your server configuration that can improve your WMS

    1) Can you make the content available via HTTPS? (https://developer.mozilla.org/en-US/docs/Security/MixedContent/How_to_fix_website_with_mixed_content)

    2) Can you adding CORS support to the server? (http://www.html5rocks.com/en/tutorials/cors/#toc-adding-cors-support-to-the-server)

    Thank you for your kind cooperation.

    4 votes
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  13. fill in Northern Pakistan

    I thought I had a bad download, but the documentation shows a hole in N. Pakistan. This area is filled in VMAP, so it seems like that area could be filled. Is there a version of groads asia that includes this?

    1 vote
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  14. ... check the ascii population density (2000) dataset for the Philippines.

    It appears to be erroneous. It doesn't show the correct map of the Philippines. I had to use the Asia dataset to get the correct map.

    1 vote
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  15. Download doesn't work

    on this page: http://sedac.ciesin.columbia.edu/data/set/gpw-v3-population-density/data-download
    After I logged in, filled all the fields (region>global>Pop Density grid>grid>2.5'>2000), and hit "Download", nothing happens. I tried with Google Chrome and Mozilla Firefox.

    2 votes
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    AdminWebmaster (Webmaster, SEDAC) responded

    Thanks for the feedback. Checking it now. It seems to be working on those browsers for me at the moment. Please try downloading again but bypass logging in by using the ’Guest Download" button at the bottom of the login/signup page that comes up after clicking the download button. Hope that makes some sense. Let us know if you continue have problems.

  16. Check the Global Fertilizer and Manure, v1 GeoTIFFs.

    I downloaded the Africa geoTIFF and opened it in Google Earth Pro. All I got was country outlines with a black background...

    1 vote
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  17. provide .qml file with appropriate color map

    I am not sure of what color ramp to use to visualise Global Human Footprint appropriately in my maps and legends. Would be great if you would provide a .qml file with style that fits your index.

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  18. Socioeconomic data for Alabama

    I was hoping to get socioeceonomic data for Alabama, this would be great if this could be mapped.

    1 vote
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  19. Hong Kong Urban Extent (GRUMP)

    The map for the Hong Kong Urban Extent (GRUMP v1) is incorrect - it shows NO urban extent, and Hong Kong is very urban...
    http://sedac.ciesin.columbia.edu/downloads/maps/grump-v1/grump-v1-urban-extents/hkgextents.png

    1 vote
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  20. EPI for South Africa

    I would like to amke a study on hpw to improve the EPI of South Africa.How did EPI came to being. When was it formed

    1 vote
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