臺灣地區平地日射量之估算分析

Estimate and Analysis of Solar Radiations in Taiwan

陳琦玲(Chi-Ling Chen) ； 林正錺(Chen-Fang Lin) ； 劉滄棽(Tsang-Shen Liu)

《中華農業研究》 43卷1期 (1994/03) Pp. 77-92

https://doi.org/10.29951/JARC.199403.0008

摘要

鑑於全省平地氣象觀測站觀測資料之不足與日射量在氣象資源應用上之需要，而日照時數為許多測站之觀測氣象要素之一，又為日射量之重要的相關氣象要素，本文乃以全省平地記錄較完整的測站資料，進行各測站以日照時數為主要因子之日射量估算經驗式分析，分析結果顯示中央氣象局測站之相關係數皆大於0.8，其他單位之專用觀測站亦達統計上之顯著或極顯著相關。各測站所求得之地域參數可作為附近地區日射量之估算。以統計t-test進行實測與估算日射量旬平均之比較，顯示中央氣象局各測站中，除了高雄測站以外，以五～七年資料作為估算式分析之統計依據以預測未來日射量已具代表性，而高雄測站日射量逐年減低之原因，值得進一步探討。

關鍵字

日照時數 ； 日射量

並列摘要

This study estimated the daily solar radiation by using sunshine hours of data obtained from major the weather stations in Taiwan, due to the following reasons: (1) the shortage of the solar radiation measurements of many weather stations in Taiwan; (2) the requirment of the daily solar radiation data for the applications of weather resource; (3) the reliability of sunshine hours in relation with the estimate of the solar radiation; (4) the possibility of the estimate of solar radiation by sunshine hours measurement being easier and more accurate to obtain. The correlation coefficients of the regression between the solar radiation and the sunshine hours of 10 weather stations belong to Central Weather Bureau were greater than 0.8 and statistically highly significant. Correlation coefficients for the other weather stations were also significant or highly significant. These results showed that the estimating formulars could be used to estimate the solar radiations of the weather stations around Taiwan. The study also tested the formulars, established with five to seven years daily data, to predict daily data of next five to seven years. The statistical t-tests revealed that applying those estimated formulars to predict solar radiations of the major area in Taiwan, were mostly acceptable.

並列關鍵字

Sunshine hours ； Solar radiation