نتایج جستجو برای: weekly precipitation
تعداد نتایج: 93423 فیلتر نتایج به سال:
Weekly cycles of meteorological parameters have been found in many regions around the world; however, the phase and magnitude of these cycles vary greatly from regions and seasons. Based on the NCEP/DOE reanalysis data and the daily surface station observation data from 1980 to 2009 in Beijing and surrounding areas, the weekend effect of aerosol concentration, precipitation and several other me...
INTRODUCTION Dengue is currently a major public health burden in Asia Pacific Region. This study aims to establish an association between dengue incidence, mean temperature and precipitation, and further discuss how weather predictors influence the increase in intensity and magnitude of dengue in Singapore during the period 2000-2007. MATERIALS AND METHODS Weekly dengue incidence data, daily ...
BACKGROUND The effects of weather on West Nile virus (WNV) mosquito populations in the United States have been widely reported, but few studies assess their overall impact on transmission to humans. OBJECTIVES We investigated meteorologic conditions associated with reported human WNV cases in the United States. METHODS We conducted a case-crossover study to assess 16,298 human WNV cases rep...
in this research the chaocity of precipitation time series in daily, weekly and monthly scales in the pole-kohneh and ghourbaghestan stations located in qarah-soo watershed is investigated. in order to reassure about the absence of stochastic behavior of the time series, method of surrogate data is applied. thereafter, the aperiodicity of the time series is investigated using power spectrum ana...
Precipitation chemistry and depth measurements obtained by the Canadian Air and Precipitation Monitoring Network (CAPMoN) and the US National Atmospheric Deposition Program/National Trends Network (NADP/NTN) were compared for the 10-year period 1995-2004. Colocated sets of CAPMoN and NADP instrumentation, consisting of precipitation collectors and rain gages, were operated simultaneously per st...
Spatial patterns and temporal changes in atmospheric-mercury (Hg) deposition were examined in a five-state study area in the Midwestern USA where 32% of the stationary sources of anthropogenic Hg emissions in the continental USA were located. An extensive monitoring record for wet and dry Hg deposition was compiled for 2001–2016, including 4666 weekly precipitation samples at 13 sites and 27 an...
This is a special conference for the Federal Reserve Bank of Boston, and for me personally. The role of monetary aggregates in monetary policy was intensely controversial when I joined the staff of the Board of Governors in May 1969. I was immediately asked to join the staff of the newly formed FOMC Committee on the Directive. Governor Sherman Maisel chaired that committee; the other two member...
OBJECTIVES To analyse the total number of newspaper articles citing the four leading general medical journals and to describe national citation patterns. DESIGN Quantitative content analysis. SETTING/SAMPLE Full text of 22 general newspapers in 14 countries over the period 2008-2015, collected from LexisNexis. The 14 countries have been categorised into four regions: the USA, the UK, Wester...
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