Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change
Airborne pollen and spores have been sampled since 1978 in Fairbanks and 1982 Anchorage and other Alaska-Yukon locations for medical and ecological purposes. Comparative analyses of pre- and post-1986 data subsets reveal that after 1986 (1) pollen is in the air earlier, (2) the multiyear average of...
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ftdtic:ADP007324 2023-05-15T15:12:05+02:00 Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change Anderson, J. H. ALASKA UNIV FAIRBANKS INST OF ARCTIC BIOLOGY AND MUSEUM 1992-03 text/html http://www.dtic.mil/docs/citations/ADP007324 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADP007324 en eng http://www.dtic.mil/docs/citations/ADP007324 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Geography Biology Meteorology *AIRBORNE *ALASKA *GLOBAL *POLLEN *SPORES *YUKON TERRITORY *MONITORING AIR ATMOSPHERICS CONTROL CYCLES DIRECTIONAL GREENHOUSES PRODUCTION SEASONS SUNSPOTS TEMPERATURE VARIABLES VARIATIONS WEATHER SYMPOSIA ARCTIC REGIONS ECOLOGY GASES CLIMATE MEDICAL RESEARCH Component Reports *Global changes Text 1992 ftdtic 2016-02-19T17:39:41Z Airborne pollen and spores have been sampled since 1978 in Fairbanks and 1982 Anchorage and other Alaska-Yukon locations for medical and ecological purposes. Comparative analyses of pre- and post-1986 data subsets reveal that after 1986 (1) pollen is in the air earlier, (2) the multiyear average of degree-days promoting pollen onset is little changed while (3) annual variation in degree-days at onset is greater, (4) pollen and spore annual productions are considerably higher, and (5) there is more year-to-year variation in pollen production. These changes probably reflect directional changes in certain weather variables, and there is some indication that they are of global change significance, i.e., related to increasing atmospheric greenhouse gases. Correlations with pollen data suggest that weather variables of high influence are temperatures during specific periods following pollen dispersal in the preceding year and the average temperature in April of the current year. Annual variations in pollen dispersal might be roughly linked to the 1 1 year sunspot cycle through air temperature mediators. Weather in 1990, apparent pollen production cycles under endogenous control, and the impending sunspot maximum portend a very severe pollen season in 199 existing but unfunded 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 990. Volume 2', AD-A253 028, p453-459. See also Volume 1, AD-A253 027. Text Arctic Alaska Yukon Defense Technical Information Center: DTIC Technical Reports database Anchorage Arctic Fairbanks Yukon |
institution |
Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Geography Biology Meteorology *AIRBORNE *ALASKA *GLOBAL *POLLEN *SPORES *YUKON TERRITORY *MONITORING AIR ATMOSPHERICS CONTROL CYCLES DIRECTIONAL GREENHOUSES PRODUCTION SEASONS SUNSPOTS TEMPERATURE VARIABLES VARIATIONS WEATHER SYMPOSIA ARCTIC REGIONS ECOLOGY GASES CLIMATE MEDICAL RESEARCH Component Reports *Global changes |
spellingShingle |
Geography Biology Meteorology *AIRBORNE *ALASKA *GLOBAL *POLLEN *SPORES *YUKON TERRITORY *MONITORING AIR ATMOSPHERICS CONTROL CYCLES DIRECTIONAL GREENHOUSES PRODUCTION SEASONS SUNSPOTS TEMPERATURE VARIABLES VARIATIONS WEATHER SYMPOSIA ARCTIC REGIONS ECOLOGY GASES CLIMATE MEDICAL RESEARCH Component Reports *Global changes Anderson, J. H. Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change |
topic_facet |
Geography Biology Meteorology *AIRBORNE *ALASKA *GLOBAL *POLLEN *SPORES *YUKON TERRITORY *MONITORING AIR ATMOSPHERICS CONTROL CYCLES DIRECTIONAL GREENHOUSES PRODUCTION SEASONS SUNSPOTS TEMPERATURE VARIABLES VARIATIONS WEATHER SYMPOSIA ARCTIC REGIONS ECOLOGY GASES CLIMATE MEDICAL RESEARCH Component Reports *Global changes |
description |
Airborne pollen and spores have been sampled since 1978 in Fairbanks and 1982 Anchorage and other Alaska-Yukon locations for medical and ecological purposes. Comparative analyses of pre- and post-1986 data subsets reveal that after 1986 (1) pollen is in the air earlier, (2) the multiyear average of degree-days promoting pollen onset is little changed while (3) annual variation in degree-days at onset is greater, (4) pollen and spore annual productions are considerably higher, and (5) there is more year-to-year variation in pollen production. These changes probably reflect directional changes in certain weather variables, and there is some indication that they are of global change significance, i.e., related to increasing atmospheric greenhouse gases. Correlations with pollen data suggest that weather variables of high influence are temperatures during specific periods following pollen dispersal in the preceding year and the average temperature in April of the current year. Annual variations in pollen dispersal might be roughly linked to the 1 1 year sunspot cycle through air temperature mediators. Weather in 1990, apparent pollen production cycles under endogenous control, and the impending sunspot maximum portend a very severe pollen season in 199 existing but unfunded 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 990. Volume 2', AD-A253 028, p453-459. See also Volume 1, AD-A253 027. |
author2 |
ALASKA UNIV FAIRBANKS INST OF ARCTIC BIOLOGY AND MUSEUM |
format |
Text |
author |
Anderson, J. H. |
author_facet |
Anderson, J. H. |
author_sort |
Anderson, J. H. |
title |
Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change |
title_short |
Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change |
title_full |
Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change |
title_fullStr |
Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change |
title_full_unstemmed |
Long-term Monitoring of Airborne Pollen in Alaska and the Yukon: Possible Implications for Global Change |
title_sort |
long-term monitoring of airborne pollen in alaska and the yukon: possible implications for global change |
publishDate |
1992 |
url |
http://www.dtic.mil/docs/citations/ADP007324 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADP007324 |
geographic |
Anchorage Arctic Fairbanks Yukon |
geographic_facet |
Anchorage Arctic Fairbanks Yukon |
genre |
Arctic Alaska Yukon |
genre_facet |
Arctic Alaska Yukon |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADP007324 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766342820639014912 |