High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response
Tree-ring data provide critical information regarding two fundamental questions as to the role of the polar regions in global change: (1) what is the nature of climatic variability? and (2) what is the response of vegetation to climatic variability? Treering-based climatic reconstructions document t...
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ftdtic:ADP007340 2023-05-15T16:12:08+02:00 High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response Graumlich, Lisa J. ARIZONA UNIV TUCSON LAB OF TREE-RING RESEARCH 1992-03 text/html http://www.dtic.mil/docs/citations/ADP007340 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADP007340 en eng http://www.dtic.mil/docs/citations/ADP007340 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Geography Forestry Meteorology *CLIMATE *HIGH LATITUDES *VARIATIONS *ECOSYSTEMS *TREE RING ANALYSIS DOCUMENTS EXTERNAL GLOBAL HYPOTHESES ICE INTERNAL LATITUDE NETWORKS PERMUTATIONS POLAR REGIONS REGIONS RESPONSE RINGS SCALE TEMPERATURE TEST AND EVALUATION TIME TREES VEGETATION SYMPOSIA NORTHERN HEMISPHERE Component Reports Dendroclimatic data Reconstructions Environmental changes Forcings Text 1992 ftdtic 2016-02-19T17:39:47Z Tree-ring data provide critical information regarding two fundamental questions as to the role of the polar regions in global change: (1) what is the nature of climatic variability? and (2) what is the response of vegetation to climatic variability? Treering-based climatic reconstructions document the variability of the climate system on time scales of years to centuries. Dendroclimatic reconstructions indicate that the climatic episodes defined on the basis of documentary evidence in western Europe (i.e., Medieval Warm Episode, ca. A.D. 1000-1300; Little Ice Age, ca. A.D. 15501850) can be observed at some high-latitude sites (ex., Polar Urals). Spatial variation in long-term temperature trends (ex., northern Fennoscandia vs. Polar Urals) demonstrates the importance of regional-scale climatic controls. When collated into global networks, proxy-based climatic reconstructions can be used to test hypotheses as to the relative importance of external forcing vs. internal variation in governing climatic variation. Specifically, such a global network would allow the quantification of the climatic response to various permutations of factors thought to be important in governing decadal- to centennial-scale climatic variation (i.e., solar insolation, volcanic activity, trace gas concentrations) This article is from 'Proceedings of the International Conference on the Role of the Polar Regions in Global Change Held in Fairbanks, Alaska on 11-15 June 1990. Volume 2', AD-A253 028, p565-569. See also Volume 1, AD-A253 027. Text Fennoscandia Alaska Defense Technical Information Center: DTIC Technical Reports database Fairbanks |
institution |
Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Geography Forestry Meteorology *CLIMATE *HIGH LATITUDES *VARIATIONS *ECOSYSTEMS *TREE RING ANALYSIS DOCUMENTS EXTERNAL GLOBAL HYPOTHESES ICE INTERNAL LATITUDE NETWORKS PERMUTATIONS POLAR REGIONS REGIONS RESPONSE RINGS SCALE TEMPERATURE TEST AND EVALUATION TIME TREES VEGETATION SYMPOSIA NORTHERN HEMISPHERE Component Reports Dendroclimatic data Reconstructions Environmental changes Forcings |
spellingShingle |
Geography Forestry Meteorology *CLIMATE *HIGH LATITUDES *VARIATIONS *ECOSYSTEMS *TREE RING ANALYSIS DOCUMENTS EXTERNAL GLOBAL HYPOTHESES ICE INTERNAL LATITUDE NETWORKS PERMUTATIONS POLAR REGIONS REGIONS RESPONSE RINGS SCALE TEMPERATURE TEST AND EVALUATION TIME TREES VEGETATION SYMPOSIA NORTHERN HEMISPHERE Component Reports Dendroclimatic data Reconstructions Environmental changes Forcings Graumlich, Lisa J. High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response |
topic_facet |
Geography Forestry Meteorology *CLIMATE *HIGH LATITUDES *VARIATIONS *ECOSYSTEMS *TREE RING ANALYSIS DOCUMENTS EXTERNAL GLOBAL HYPOTHESES ICE INTERNAL LATITUDE NETWORKS PERMUTATIONS POLAR REGIONS REGIONS RESPONSE RINGS SCALE TEMPERATURE TEST AND EVALUATION TIME TREES VEGETATION SYMPOSIA NORTHERN HEMISPHERE Component Reports Dendroclimatic data Reconstructions Environmental changes Forcings |
description |
Tree-ring data provide critical information regarding two fundamental questions as to the role of the polar regions in global change: (1) what is the nature of climatic variability? and (2) what is the response of vegetation to climatic variability? Treering-based climatic reconstructions document the variability of the climate system on time scales of years to centuries. Dendroclimatic reconstructions indicate that the climatic episodes defined on the basis of documentary evidence in western Europe (i.e., Medieval Warm Episode, ca. A.D. 1000-1300; Little Ice Age, ca. A.D. 15501850) can be observed at some high-latitude sites (ex., Polar Urals). Spatial variation in long-term temperature trends (ex., northern Fennoscandia vs. Polar Urals) demonstrates the importance of regional-scale climatic controls. When collated into global networks, proxy-based climatic reconstructions can be used to test hypotheses as to the relative importance of external forcing vs. internal variation in governing climatic variation. Specifically, such a global network would allow the quantification of the climatic response to various permutations of factors thought to be important in governing decadal- to centennial-scale climatic variation (i.e., solar insolation, volcanic activity, trace gas concentrations) This article is from 'Proceedings of the International Conference on the Role of the Polar Regions in Global Change Held in Fairbanks, Alaska on 11-15 June 1990. Volume 2', AD-A253 028, p565-569. See also Volume 1, AD-A253 027. |
author2 |
ARIZONA UNIV TUCSON LAB OF TREE-RING RESEARCH |
format |
Text |
author |
Graumlich, Lisa J. |
author_facet |
Graumlich, Lisa J. |
author_sort |
Graumlich, Lisa J. |
title |
High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response |
title_short |
High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response |
title_full |
High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response |
title_fullStr |
High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response |
title_full_unstemmed |
High-Latitude Tree-Ring Data: Records of Climatic Change and Ecological Response |
title_sort |
high-latitude tree-ring data: records of climatic change and ecological response |
publishDate |
1992 |
url |
http://www.dtic.mil/docs/citations/ADP007340 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADP007340 |
geographic |
Fairbanks |
geographic_facet |
Fairbanks |
genre |
Fennoscandia Alaska |
genre_facet |
Fennoscandia Alaska |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADP007340 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1765997378238676992 |