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时间:2020-04-19
《秋季日光温室内小气候特征研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、安徽农业科学!JoulnaIofAnhuiAgli.SOi.2007!35"23#$7235-7236!7239责任编辑金琼琼责任校对王森秋季日光温室内小气候特征研究12宋艳华,齐尚红(1.广东省清远市气象局,广东清远511518;2.河南省辉县农业局,河南辉县453003)摘要[目的]为日光温室的科学管理提供理论依据。[方法]测定日光温室的光照、温度和湿度并作相关分析。[结果]温室内空气湿度、地面温度最大值都出现在14:00左右,最小值出现在6:00前后。秋季温室内外地面温度存在6.8C温差。光照南侧比北侧高960Ix;中间比东
2、、西侧的高2230Ix、l560Ix;上层比中层、下层分别高73、720Ix。夜间空气湿度在90%以上,午后在80%以上。[结论]温室内空气湿度、地面平均温度日变化曲线为单峰型曲线;地面温度水平分布呈现出中间高四周低规律;温室内光照度日变化曲线类型是倒“V”型,而空间分布为南强北弱,上强下弱的规律。温室内空气湿度比较高,尤其是在夜间空气湿度更高。关键词日光温室;小气候;温度;湿度;光照强度中图分类号S16文献标识码A文章编号0517-6611(2007)23-07235-02CharacteristicofMicroclimate
3、inSunlightGreenhouseinAutumnSONGYan!huaetal(@ingyuanBureauofWeather,@ingyuan,Guangdong511518)Abstract[objective]ThepurposeofstudywastoprovidethetheoreticaIbasisforscientificmanagementofsunIightgreenhouse.[method]TheiIIumination,temperatureandhumidityinsunIightgreenhou
4、seweredeterminedandtheircorreIationswereanaIyzed.[ResuIt]ThemaximumvaIueofairhumidityandgroundtemperatureingreenhouseappearedataboutl4:00andtheirminimumvaIueappearedatabout6:00.Theindoorandoutdoortemperatureingreenhouseinautumnhaddifferenceof6.8C.ThesunIightinsouthofg
5、reenhousewas960IxhigherthanthatinthenorthandthatinthemiddIewas2230Ixandl560Ixhigherthanthatintheeastandwest,resp.ThesunIightinupperIayerwas73and720IxhigherthanthatinthemiddIeandIowerIayers,resp.Theairhumidityinthenightswasover90%andthatafterthenoonwasover80%.[ConcIusi
6、on]ThediurnaIvariationcurvesofairhumidityandgroundmeantemperatureweresingIepeakcurve.TheIeveIdistributionofgroundtemperatureshowedaIawofbeinghigherinthemiddIeandIowerinthearound.ThediurnaIvariationcurvesofiIIuminationingreenhousewasbackwardVtypeandthespacedistribution
7、showedaIawofbeingstronginthesouthandweakinthenorth,andstronginupperIayerandweakinIowerIayer.Theairhumidityingreenhousewashigher,especiaIIyinnights.KeywordsSunIightgreenhouse;microcIimate;Temperature;Humidity;HIIumination笔者于2006年ll月中旬研究了秋季日光温室内的小逐渐降低。气候特征,舀在为日光温室的科学管理提
8、供理论依据。14室内1材料与方法12室外1.1观测地点观测地点设在河南省辉县市南瓜试验基10地。观测用温室东西走向,长50.0m,宽7.5m,脊高3.0m,8C屋前角65,屋后角40,后墙2.0cm,夹心墙厚75cm,墙内!6度填充白灰和炉渣,镀锌
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