Nodes available:

• urn:node:HYDROSHARE

  Sitemap:

  https://www.hydroshare.org/sitemap.xml

  Oldest:

  2021-07-17T18:06:04Z

  Newest:

  2026-05-02T00:00:00Z

  Total:

  25284

• urn:node:DRYAD

  Sitemap:

  https://datadryad.org/sitemap.xml

  Oldest:

  2019-06-18T13:10:07Z

  Newest:

  2026-05-03T18:40:37Z

  Total:

  122774

• urn:node:BCODMO

  Sitemap:

  https://www.bco-dmo.org/sitemap.xml

  Oldest:

  2016-04-06T16:58:00Z

  Newest:

  2026-04-06T17:10:32Z

  Total:

  23444

• urn:node:NPDC

  Sitemap:

  https://npdc.nl/sitemap.xml

  Oldest:

  2000-06-22T11:51:13Z

  Newest:

  2025-04-15T19:45:55Z

  Total:

  104

• urn:node:HAKAI_IYS

  Sitemap:

  https://iys.hakai.org/sitemap/sitemap.xml

  Oldest:

  2022-07-20T00:00:00Z

  Newest:

  2023-09-26T00:00:00Z

  Total:

  167619

• urn:node:CANWIN

  Sitemap:

  https://canwin-datahub.ad.umanitoba.ca/data/sitemap.xml

  Oldest:

  2022-01-12T00:00:00Z

  Newest:

  2026-01-30T00:00:00Z

  Total:

  42653

• urn:node:OPENTOPO

  Sitemap:

  https://portal.opentopography.org/sitemap.xml

  Oldest:

  2005-06-01T00:00:00Z

  Newest:

  2024-09-27T00:00:00Z

  Total:

  26102

• urn:node:BOREALIS

  Sitemap:

  https://borealisdata.ca/sitemap.xml

  Oldest:

  2014-05-05T00:00:00Z

  Newest:

  2025-11-07T00:00:00Z

  Total:

  25321

• urn:node:HD

  Sitemap:

  https://dataverse.harvard.edu/sitemap_index.xml

  Oldest:

  2015-04-11T00:00:00Z

  Newest:

  2026-05-02T00:00:00Z

  Total:

  117931

• urn:node:NSIDC

  Sitemap:

  https://nsidc.org/sitemap.xml

  Oldest:

  2023-11-28T23:15:46Z

  Newest:

  2026-04-30T01:51:07Z

  Total:

  6640

• urn:node:DVNO

  Sitemap:

  https://dataverse.no/sitemap/sitemap.xml

  Oldest:

  2016-05-11T00:00:00Z

  Newest:

  2026-04-30T00:00:00Z

  Total:

  3318

• urn:node:GEM

  Sitemap:

  https://raw.githubusercontent.com/DataONEorg/mnlite/testing-gem-metadata/tests/testGEMsitemap.xml

  Oldest:

  2024-04-20T01:37:32Z

  Newest:

  2026-04-24T11:42:16Z

  Total:

  34312

• urn:node:PANGAEA

  Sitemap:

  https://doi.pangaea.de/sitemap.xml

  Oldest:

  2024-07-19T00:00:00Z

  Newest:

  2026-04-30T00:00:00Z

  Total:

  455080

• urn:node:IEDA_USAP

  Sitemap:

  https://www.usap-dc.org/view/dataset/sitemap.xml

  Oldest:

  1993-01-01T00:00:00Z

  Newest:

  2026-05-01T00:00:00Z

  Total:

  1584

• urn:node:GRIIDC

  Sitemap:

  https://data.griidc.org/sitemap.xml

  Oldest:

  2025-02-04T00:00:00Z

  Newest:

  2026-04-16T00:00:00Z

  Total:

  5783

• urn:node:ISRIC

  Sitemap:

  https://data.isric.org/geonetwork/srv/api/sitemap

  Oldest:

  2021-07-14T00:00:00Z

  Newest:

  2025-11-28T00:00:00Z

  Total:

  299

• urn:node:SNAP

  Sitemap:

  https://catalog.snap.uaf.edu/geonetwork/srv/api/sitemap

  Oldest:

  2022-08-18T00:00:00Z

  Newest:

  2025-11-03T00:00:00Z

  Total:

  73

• urn:node:IEDA_EARTHCHEM

  Sitemap:

  https://ecl.earthchem.org/sitemap.xml

  Oldest:

  2011-02-18T00:00:00Z

  Newest:

  2026-04-24T00:00:00Z

  Total:

  1848

• urn:node:BONARES

  Sitemap:

  https://maps.bonares.de/finder/resources/googleds/sitemap.xml

  Oldest:

  2017-07-01T00:00:00Z

  Newest:

  2026-04-22T00:00:00Z

  Total:

  1408

• urn:node:OBIS

  Sitemap:

  https://obis-sitemaps.s3.amazonaws.com/sitemap_datasets.xml

  Oldest:

  2013-10-28T17:18:04Z

  Newest:

  2026-03-27T22:19:38Z

  Total:

  5310

• urn:node:OBIS_SEAMAP

  Sitemap:

  https://seamap.env.duke.edu/sitemap.xml

  Oldest:

  2004-03-11T00:00:00Z

  Newest:

  2026-03-27T00:00:00Z

  Total:

  2467

• urn:node:GEUS

  Sitemap:

  https://dataverse.geus.dk/sitemap.xml

  Oldest:

  2020-09-04T00:00:00Z

  Newest:

  2026-04-30T00:00:00Z

  Total:

  785

• urn:node:NORDICANA_D

  Sitemap:

  https://nordicana.cen.ulaval.ca/sitemap.xml

  Oldest:

  2013-02-08T00:00:00Z

  Newest:

  2026-04-21T00:00:00Z

  Total:

  140

• urn:node:PDC

  Sitemap:

  https://polardata.ca/api/metadata

  Oldest:

  2008-03-25T00:00:00Z

  Newest:

  2026-03-16T00:00:00Z

  Total:

  3044