CAJ | 학술논문

利用差值分析方法对五华国家基本站新旧址的观测资料进行分析,结果表明:(1)新址平均气温、最高气温、最低气温均小于旧址,年平均气温差值为0.9℃,年平均最高气温值差值为0.4℃,年平均最低气温差值为0.2℃;(2)新旧址气压平均差值为1.7hPa,气压差异的月变化不明显.平均相对湿度差值为5%;(3)新址的平均风速明显大于旧址,新址全年 SW 风向频率最多,旧址 NNE风向频率最多.(4)雨量为小雨级别时新旧址雨日一致性比较好,1~3月、10~12月各降水量级别新旧址雨日一致,4~9月差异较大.(5)新旧址各层土壤温度变化规律基本一致,160cm 地温差值最大,320cm 地温差值最小.
이용차치분석방법대오화국가기본참신구지적관측자료진행분석,결과표명:(1)신지평균기온、최고기온、최저기온균소우구지,년평균기온차치위0.9℃,년평균최고기온치차치위0.4℃,년평균최저기온차치위0.2℃;(2)신구지기압평균차치위1.7hPa,기압차이적월변화불명현.평균상대습도차치위5%;(3)신지적평균풍속명현대우구지,신지전년 SW 풍향빈솔최다,구지 NNE풍향빈솔최다.(4)우량위소우급별시신구지우일일치성비교호,1~3월、10~12월각강수량급별신구지우일일치,4~9월차이교대.(5)신구지각층토양온도변화규률기본일치,160cm 지온차치최대,320cm 지온차치최소.
Bymeansofdifferenceanalysis,observationdatabetweenthenewandoldnationalbaseweather stationin Wuhuaareanalyzed.Theresultsshowthattheaveragetemperature,maximumtemperatureand minimumtemperatureinthenewsitearelessthantheoldone.Differencesofannualmeantemperature, annualmeanmaximumtemperatureandannualmeanminimumtemperaturebetweenthenewandoldweather stationare0.9℃,0.4℃,0.2℃respectively.Thepressureandaveragerelativehumiditydifferencesinthese twositesare1.7hPaand5% withlessobviousmonthlyvariation.Theaveragewindspeedofthenewsiteis significantlygreaterthanthatofoldone.AnnualwinddirectionfrequencySWismostinthenewsite,while NNEfrequencyismostintheoldsite.Whenitisinalightprecipitation,therainydaysofthesetwostations aremoreconsistentinacertainextent,especiallyfromJanuarytoMarchandfromOctobertoDecember.There existsobviousdifferencesfrom ApriltoSeptember.Variationsofsoiltemperatureindifferentlayersare basicallyidenticalbetweenthetwosites.Themaximumandminimumdifferencesforthegroundtemperature appearinthelayerof160cmand320cm.