Accession Number : ADP007288
Title : Problems With the Use of Climatological Data to Detect Climatic Change at High Latitudes,
Corporate Author : GOODRICH (B F) CO AKRON OH
Personal Author(s) : Bowling, S. A.
Report Date : MAR 1992
Pagination or Media Count : 4
Abstract : Although warming due to increased amounts of C02 and other greenhouse gases in the atmosphere is predicted to be greatest in high latitudes, results of the GISS model have already indicated that the ratio of warming to interannual variability will be relatively small, which will make any change hard to detect (Hansen et al., 1988). In addition, the climatological data set at high latitudes is scanty and subject to most of the same problems as those in the temperate zone. In fact, the extreme ground inversions, low sun angles, and seasonal polar night or continuous daylight conditions may lead to systematic errors with magnitudes much greater than would be predicted from midlatitude experience. The Alaskan record demonstrates possible magnitudes of some of these systematic errors. Both winter and summer heat island effects are large. Site changes (including documentation problems) may have unexpectedly large effects, and virtually the entire state was affected by a change in time zones made in 1983.
Descriptors : *METEOROLOGICAL DATA, *RECORDS MANAGEMENT, ANGLES, ATMOSPHERICS, ERROR ANALYSIS, GREENHOUSE EFFECT, HIGH LATITUDES, MODELS, TEMPERATE REGIONS.
Subject Categories : Meteorology
Distribution Statement : APPROVED FOR PUBLIC RELEASE