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Science Keywords > EARTH SCIENCE > CLIMATE INDICATORS > PALEOCLIMATE INDICATORS > ICE CORE RECORDS

Preferred term

ICE CORE RECORDS  

Definition

  • An ice core is a section of ice drilled from a glacier or ice sheet. Ice deposits contain samples of the atmosphere at the time the ice formed; they also record seasonal fluctuations of temperature and dust. That's why ice cores are extremely valuable sources of paleoclimate data on the Earth's climate in the distant past. Researchers drill sections of ice cores hundreds of meters long and then match sections at different depths with particular eras in the Earth's past. These sections can then be analyzed for clues about atmospheric gases and temperatures from hundreds of thousands of years ago. (en)

Broader concept

Narrower concepts

Change note

  • 2012-06-26 15:31:29.0 [gee-cee] Insert Concept add broader relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - PALEOCLIMATE INDICATORS [c9a5b3eb-7556-41a8-a2b8-c015db80e5b2,39947]);
  • 2012-06-26 15:49:59.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - CARBON DIOXIDE [b53939ae-1264-409d-8434-3bb3d22b2848,40131]);
  • 2012-06-26 15:51:21.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - ELECTRICAL PROPERTIES [a2987914-ed66-4b7c-964d-8eccf0174e57,40133]);
  • 2012-06-26 15:52:48.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - ICE CORE AIR BUBBLES [42664b0d-26c2-44ad-b0a9-673ed2902f00,40135]);
  • 2012-06-26 15:53:12.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - IONS [302d7079-299a-4269-bd7e-d95009c9b46e,40137]);
  • 2012-06-26 15:53:42.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - ISOTOPES [a0358b3e-0926-4b17-8b32-c1b15a73cba5,40139]);
  • 2012-06-26 15:54:28.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - METHANE [0948a59e-cc72-4e5d-b97d-4ea0335b0906,40141]);
  • 2012-06-26 15:55:39.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - NITROUS OXIDE [bc90bc40-2a21-4a6f-9fb9-bf3ae5845157,40143]);
  • 2012-06-26 15:56:42.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - PARTICULATE MATTER [15fdef7c-7fb7-4a1d-a24b-01164a8ba11a,40145]);
  • 2012-06-26 15:57:30.0 [gee-cee] Insert Concept add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - VOLCANIC DEPOSITS [c736e45d-63f2-428b-abae-48f79d007703,40147]);
  • 2012-07-20 14:01:53.0 [mpmorahan] insert Definition (id: null text: An ice core is a section of ice drilled from a glacier or ice sheet. Ice deposits contain samples of the atmosphere at the time the ice formed; they also record seasonal fluctuations of temperature and dust. That's why ice cores are extremely valuable sources of paleoclimate data on the Earth's climate in the distant past. Researchers drill sections of ice cores hundreds of meters long and then match sections at different depths with particular eras in the Earth's past. These sections can then be analyzed for clues about atmospheric gases and temperatures from hundreds of thousands of years ago. language code: en);
  • 2012-07-23 15:54:41.0 [mpmorahan] Move Concepts delete narrower relation (null);
  • 2012-07-23 15:55:11.0 [mpmorahan] Move Concepts add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - NITROUS OXIDE [bc90bc40-2a21-4a6f-9fb9-bf3ae5845157,40143]);
  • 2012-07-23 16:13:16.0 [mpmorahan] Move Concepts add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - LAND RECORDS [2bedb6b3-6e92-42e2-b382-60e2a6aab8e9,39979]);
  • 2012-07-23 16:18:05.0 [mpmorahan] Move Concepts delete narrower relation (null);
  • 2012-07-23 16:35:47.0 [mpmorahan] Move Concepts add narrower relation (ICE CORE RECORDS [08a4f002-f368-414d-b923-83dd498452d8,40095] - FIRE HISTORY [d2dc2330-0433-43f2-9154-dc399d24406c,39989]);
  • 2012-07-23 16:36:04.0 [mpmorahan] Move Concepts delete narrower relation (null);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/08a4f002-f368-414d-b923-83dd498452d8

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