An Assessment of the Relationship between Air Mass Frequency and
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An Assessment of the Relationship between Air Mass Frequency and
The Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency a An Assessment of the Relationship between Air Mass Frequency andand Extreme Drought in the Midwest United StatesCurtis WalkerSUNY College at Oneonta, walkcl50@isuny.oneonta.eduErin PotterSUNY College at Oneonta, pottem93@suny.oneonta.eduNicholas EspositoSUNY College at Oneonta, esponrl 5@suny oneonta.eduMelissa GodekSUNY College at Oneonta, godekml@oneonta.eduFo An Assessment of the Relationship between Air Mass Frequency andllow this and additional works at: https://digitalcommons.csbsju.edu/compassPart of the Atmospheric Sciences Commons, Climate Commons, and the Earth SAn Assessment of the Relationship between Air Mass Frequency and
ciences CommonsRecommended CitationWalker, Curtis; Potter, Erin; Esposito, Nicholas, and Godek, Melissa (2012) "An Assessment of the Relationship betwThe Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency a An Assessment of the Relationship between Air Mass Frequency andArticle 5.Available at: https://digitalcommons.csbsju.edU/compass/vol84/iss2/5This Article is brought to you for free and open access by DigitalCommons@CS8.’SJU It has been accepted for inclusion in The Compass: Earth Science Journal of Sigma Gamma Epsilon by an authorized editor of DigitalCommons@C An Assessment of the Relationship between Air Mass Frequency andSB/SJU. For more information, p ease contact digitalcommons@csbsju.edu.AN ASSESSMENT of THE RELATIONSHIP BETWEEN AIR MASS FREQUENCY and EXTREME DROUGHAn Assessment of the Relationship between Air Mass Frequency and
T in the MIDWEST UNITED STATESCurtis Walker, Erin Potter, Nicholas Esposito, and Melissa GodekDepartment of Earth and Atmospheric Sciences SUNY CollegThe Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency a An Assessment of the Relationship between Air Mass Frequency andnta.eduABSTRACTThe Midwest of the United States is a region extensively utilized for agriculture and livestock production despite great susceptibility to widespread and persistent drought. While the location and duration of droughts are related to dynamic meteorological factors, pinpointing when and An Assessment of the Relationship between Air Mass Frequency and where a drought will commence, how long it will persist, and when the drought will end. remains a challenge. This investigation examines significantAn Assessment of the Relationship between Air Mass Frequency and
Midwest drought events from a synoptic meteorological perspective through an assessment of air mass frequency over the past decade. A synoptic approacThe Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency a An Assessment of the Relationship between Air Mass Frequency ands conditions in the Spatial Synoptic Classification that are dominant during extreme droughts are examined across theregion and compared to “normal” periods without substantial or extensive drought. Extreme episodes are established with new criteria expanded from United States Drought Monitor inform An Assessment of the Relationship between Air Mass Frequency andation, normal average decadal and seasonal baselines are calculated, and the air mass frequency departures from these periods are examined for statistAn Assessment of the Relationship between Air Mass Frequency and
ical and practical significance. Results indicate that the Dry Polar, Dry-Tropical and Moist Tropical air masses exhibit important and statistically sThe Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency a An Assessment of the Relationship between Air Mass Frequency andeclines are detected. The exact air masses with significant changes are unique for different sub-regions, particularly in the northwest and south. These patterns are consistent with changing upper-air flows such as southerly, meridional flow to more southwesterly, zonal flow.INTRODUCTIONWidespread a An Assessment of the Relationship between Air Mass Frequency andnd persistent drought events occur on all continents of the world. The Southern Plains of the United States has experienced a substantial drought duriAn Assessment of the Relationship between Air Mass Frequency and
ng 2011. A majority of range and pastures across the region were classified in “very poor" condition. Current estimates of the direct economic impact The Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency a An Assessment of the Relationship between Air Mass Frequency andAmazon River Basin follows one in 2005, that has been deemed a "one in a century" event (Lewis, et al., 2011). Concerns about these recent droughts haveThe Compass: Earth Science Journal of Sigma Gamma Epsilon, V. 84(2), 2012Page 23centered around the ability of the forest to absorb carbon dioxide w An Assessment of the Relationship between Air Mass Frequency andhen trees arc sparse, stressed and even on tire. In the United States, drought is the most costly variety of natural disaster accounting for. "SI44 biAn Assessment of the Relationship between Air Mass Frequency and
llion of the estimated $349 billion total cost of allweather-related disasters" (Mishra and Singh. 2010). Table 1 notes the country's top five weatherThe Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency a An Assessment of the Relationship between Air Mass Frequency andostMortality2005Hurricane Katrina133.8 Billion1,8331988Drought, Heatwave (El Nino)71.2 Billion5,000 - 1,000*1980Drought, Heatwave (El Nino)55.4 Billion10,000*1992Hurricane Andrew40 Billion*61 An Assessment of the Relationship between Air Mass Frequency andThe Compass: Earth Science Journal of Sigma Gamma EpsilonVolume 84 Issue 2Article 541016An Assessment of the Relationship between Air Mass Frequency aGọi ngay
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