Knowledge Resource Center for Ecological Environment in Arid Area
| 报告编号 | PB2009101220 |
| Climate Variation at Flagstaff, Arizona-1950 to 2007. | |
| Hereford, R. | |
| 英文摘要 | Much scientific research demonstrates the existence of recent climate variation, particularly global warming. Climate prediction models forecast that climate will change; it will become warmer, droughts will increase in number and severity, and extreme climate events will recur often desiccating aridity, extremely wet, unusually warm, or even frigid at times. However, the global models apply to average conditions in large grids approximately 150 miles on an edge (Thorpe, 2005), and how or whether specific areas within a grid are affected is unclear. Flagstaff s climate is mentioned in the context of global change, but information is lacking on the amount and trend of changes in precipitation, snowfall, and temperature. The purpose of this report is to understand what may be happening to Flagstaffs climate by reviewing local climate history. Flagstaff is in north-central Arizona south of San Francisco Mountain, which reaches 12,633 feet, the highest in Arizona. At 6,900 feet, surrounded by ponderosa pine forest, Flagstaff enjoys a four- season climate; winter-daytime temperatures are cool, averaging 45 degrees (Fahrenheit). Summer-daytime temperatures are comfortable, averaging 80 degrees, which is pleasant compared with nearby low-elevation deserts. Flagstaffs precipitation averages 22-inches per year with a range of 9 to 39 inches. Snowfall occurs each season, averaging 97 inches annually. |
| 英文关键词 | Climate History Arizona Precipitation(Meteorology) Atmospheric temperature Snowfall Air temperature Flagstaff(Arizona) |
| 出版年 | 2007 |
| 语种 | 英语 |
| 国家 | United States |
| URL | http://r.cnki.net/KCMS/detail/detail.aspx?DbCode=KJBG&dbname=KJBGW&filename=59fb28ee31c97d1d549fd316 |
| 来源机构 | United States Geological Survey |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/273526 |
| 推荐引用方式 GB/T 7714 | Hereford, R.. Climate Variation at Flagstaff, Arizona-1950 to 2007.,2007. |
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