1. introduction glaciers and snow covers in the mountains play an important role in the water budget of many areas of the world (ramage and isacks, 2003). in high altitudes and mountainous regions, snowmelt is a great contributor to the yearly runoff. the snow melt supplies 1/6 of people's needed water but due to global warming these glaciers may be at risk (barnett, et al. 2005). for the regio...

BACKGROUND Specimens from aviation accident pilot fatalities are submitted to the Civil Aerospace Medical Institute (CAMI) for toxicological analyses. Trends of fatal amateur-built aircraft accidents and toxicological findings in the associated pilot fatalities have not been examined. METHODS Fatal amateur-built aircraft accidents that occurred during 1990-2009 were evaluated by retrieving in...

[1] Using a 15-year record of O3 from Lassen Volcanic National Park, a rural elevated site in northernCalifornia, data from two aircraft campaigns conducted in 1984 and 2002 over the eastern North Pacific, and observations spanning 18 years from five U.S. west coast, marine boundary layer sites, we show that O3 in air arriving from the Eastern Pacific in spring has increased by approximately 10...

Human papillomaviruses (HPVs), particularly types 16, 18, and 33, have recently been suggested as etiological agents for cervical neoplasia. However, few studies have explored this relationship among low-income minority women. This case-control study of cervical intraepithelial neoplasia (CIN), detected by Pap smear screening among South Carolina women, investigates the association between HPV ...

Results During the study period, 1285 patients answered our inclusion criteria, including 15 with twin pregnancy. 872 have had markers in the first trimester, while 412 have had markers of the second trimester. 93 patients had positive markers for trisomy 21 and / or trisomy 18 and 13. We observed a trend of public sector Gynecologists asking markers of the first trimester (483/501), while the ...

in this study, by using minimum, maximum and mean daily interpolated data from asfazari data base, the changes of agro climatic indices analyzed in iran during 1962-2004. at first, the indices calculated for each pixels and then trend and slope value evaluated by nonparametric mann-kendal and parametric regression method. in total, the results showed that the indices have positive trend on the ...