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首页> 外文期刊>Earth System Science Data >CEH-GEAR: 1 km resolution daily and monthly areal rainfall estimates for the UK for hydrological and other applications
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CEH-GEAR: 1 km resolution daily and monthly areal rainfall estimates for the UK for hydrological and other applications

机译：CEH-GEAR：英国在水文和其他应用中每日和每月平均降雨量估计为1 km

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摘要

The Centre for Ecology & Hydrology – Gridded Estimatesof Areal Rainfall (CEH-GEAR) data set was developed toprovide reliable 1 km gridded estimates of daily and monthly rainfall forGreat Britain (GB) and Northern Ireland (NI) (together with approximately3500 km2 of catchment in the Republic of Ireland) from 1890 onwards.The data set was primarily required to support hydrological modelling.The rainfall estimates are derived from the Met Office collated historicalweather observations for the UK which include a national database ofrain gauge observations. The natural neighbour interpolation methodology,including a normalisation step based on average annual rainfall (AAR), was used togenerate the daily and monthly rainfall grids. To derive the monthlyestimates, rainfall totals from monthly and daily (when complete monthavailable) rain gauges were used in order to obtain maximum informationfrom the rain gauge network. The daily grids were adjusted so that themonthly grids are fully consistent with the daily grids. The CEH-GEARdata set was developed according to the guidance provided by the BritishStandards Institution.The CEH-GEAR data set contains 1 km grids of daily and monthly rainfallestimates for GB and NI for the period 1890–2012. For each day and month,CEH-GEAR includes a secondary grid of distance to the nearest operationalrain gauge. This may be used as an indicator of the quality of the estimates.When this distance is greater than 100 km, the estimates are not calculateddue to high uncertainty.CEH-GEAR is available from doi:href="http://dx.doi.org/10.5285/5dc179dc-f692-49ba-9326-a6893a503f6e">10.5285/5dc179dc-f692-49ba-9326-a6893a503f6e and is free ofcharge for commercial and non-commercial use subject to licensing terms andconditions.
机译：生态与水文学中心–包含 A 实际 R 落差（CEH-GEAR）数据的 G 骑乘的 E 数据集旨在为1890年以来的英国（GB）和北爱尔兰（NI）（加上爱尔兰共和国的流域约3500 km 2 ）提供可靠的1 km网格每日和每月降雨量估算。数据集是支持水文建模的首要条件。 降雨量估算值来自英国气象局（Met Office）整理的英国历史天气观测值，其中包括国家雨量计观测值的数据库。使用自然邻居插值方法，包括基于平均年降雨量（AAR）的归一化步骤，来生成每日和每月的降雨网格。为了得出月度估算值，使用了每月和每天（当有完整的月份可用时）雨量计的降雨总量，以便从雨量计网络获得最大的信息。调整了每日网格，以使每月网格与每日网格完全一致。 CEH-GEAR数据集是根据英国标准协会提供的指南开发的。 CEH-GEAR数据集包含1890-2012年期间GB和NI的每日和每月降雨量估算的1 km网格。对于每天和每个月，CEH-GEAR都包含一个到最近的雨量计的辅助距离网格。可以将其用作估算质量的指标。当此距离大于100 km时，由于不确定性较高，因此无法计算估算值。 CEH-GEAR可从doi获得：href = “ http://dx.doi.org/10.5285/5dc179dc-f692-49ba-9326-a6893a503f6e">10.5285/5dc179dc-f692-49ba-9326-a6893a503f6e ，并且可免费用于商业和非商业用途遵守许可条款和条件。

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