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首页> 外文期刊>SOLA: Scientific Online Letters on the Atmosphere >Temperature Difference between Meteorological Station and Nearby Farmland –Case Study for Kumagaya City in Japan–
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Temperature Difference between Meteorological Station and Nearby Farmland –Case Study for Kumagaya City in Japan–

机译：气象站与附近农田之间的温差–以日本熊谷市为例

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References(19) Cited-By(2) Supplementary materials(2) The seasonal (monthly) variation in temperature difference between a meteorological station in an urban-area and nearby farmland in Kumagaya City was examined over 2010-2012. Kumagaya, one of the hottest cities in Japan, has an urban area of about 5 × 5 km and is surrounded by farmland. The daily mean, maximum, and minimum temperatures (Tmean, Tmax, and Tmin) routinely observed at the meteorological station (urban site) were higher than at the nearby farmland site across all seasons. Differences in the monthly temperatures between the two sites were 0.17-0.90°C (Tmean), 0.55-1.63°C (Tmax), and 0.20-0.62°C (Tmin), and the maximum differences were in August (Tmean and Tmax) and April (Tmin). Large temperature differences ( 1°C) for Tmax were observed during the paddy rice-growing season in farmland from July to September. Differences in daily Tmax and Tmean between the two sites were found to increase with daily solar radiation Sd. The sensitivities of these temperature differences to Sd were larger from July to September. The number of “extremely hot days” (Tmax ≥ 35°C) at the farmland site was only 36% of the number at the urban site, while the relative proportion of “sultry nights” (Tmin ≥ 25°C) was 62%.
机译：参考文献（19）被引用的文献（2）补充材料（2）研究了2010-2012年间熊谷市市区气象站与附近农田之间的温差的季节性（每月）变化。熊谷市是日本最热的城市之一，市区约5×5公里，被农田包围。在整个季节中，气象站（城市站点）常规观测到的每日平均，最高和最低温度（Tmean，Tmax和Tmin）高于附近的农田站点。两个站点之间的月度温度差异为0.17-0.90°C（Tmean），0.55-1.63°C（Tmax）和0.20-0.62°C（Tmin），最大差异出现在8月（Tmean和Tmax）和四月（Tmin）。在7月至9月的农田水稻生长季节，观察到Tmax的温差较大（> 1°C）。发现这两个站点之间的每日Tmax和Tmean之差随着每日太阳辐射Sd的增加而增加。从7月到9月，这些温度差异对Sd的敏感性更大。农田场所的“极热天数”（Tmax≥35°C）仅为城市场所的36％，而“闷热的夜晚”（Tmin≥25°C）的相对比例为62％ 。

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