吉林省≥10℃积温空间分布特征
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摘要
积温作为一个地区重要的热量资源指标,对作物生长发育有显著的影响。为明确吉林省积温空间分布状况,基于吉林省51个气象站的地面累年日平均气温资料和地理信息数据,通过建立多元线性回归模型、ArcGis空间插值等方法对吉林省≥10℃积温空间分布特征进行分析。结果表明:吉林省≥10℃积温与经度、纬度、海拔都呈现负相关关系;≥2 500℃·d积温带面积占吉林省面积的74.19%;吉林省≥10℃积温空间分布总体呈现"自东南向西北,由山地向平原逐渐增加"的布局;吉林省≥10℃积温最大值位于四平市,最小值位于长白山国家级自然保护区。
Accumulated temperature is an important heat index and it has remarkable effect on crop growth.Based on the daily mean air temperature data from 51 meteorological observation stations in Jilin Province and geographic information data,spatial distribution characteristics of accumulated temperature above 10℃in Jilin Province were analyzed by using multiple linear regression model and ArcGis spatial interpolation.The results indicated that,accumulated temperature above 10℃ was negatively correlated with the longitude,latitude and altitude in Jilin Province;the area of accumulated temperature above 2 500℃·d accounted for 74.19% of the Jilin Province;the spatial distribution of accumulated temperature above 10℃ gradually increased from southeast to northwest,and from mountain to plains;the highest value region was distributed in Siping City and the lowest value region was distributed in Changbai Mountain National Nature Reserve.
Accumulated temperature is an important heat index and it has remarkable effect on crop growth.Based on the daily mean air temperature data from 51 meteorological observation stations in Jilin Province and geographic information data,spatial distribution characteristics of accumulated temperature above 10℃in Jilin Province were analyzed by using multiple linear regression model and ArcGis spatial interpolation.The results indicated that,accumulated temperature above 10℃ was negatively correlated with the longitude,latitude and altitude in Jilin Province;the area of accumulated temperature above 2 500℃·d accounted for 74.19% of the Jilin Province;the spatial distribution of accumulated temperature above 10℃ gradually increased from southeast to northwest,and from mountain to plains;the highest value region was distributed in Siping City and the lowest value region was distributed in Changbai Mountain National Nature Reserve.
引文
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[3]刘丹,李迎春.气候变化背景下江西省近55年≥10℃积温的时空变化特征[J].江西农业学报,2017,29(1):85-91.
[4]胡琦,潘学标,邵长秀,等.1961-2010年中国农业热量资源分布和变化特征[J].中国农业气象,2014,35(2):119-127.
[5]刘志娟,杨晓光,王文峰,等.气候变化背景下我国东北三省农业气候资源变化特征[J].应用生态学报,2009,20(9):2199-2206.
[6]冶明珠,郭建平,袁彬,等.气候变化背景下东北地区热量资源及玉米温度适宜度[J].应用生态学报,2012,23(10):2786-2794.
[7]谭方颖,王建林,宋迎波,等.华北平原近45年农业气候资源变化特征分析[J].中国农业气象,2009,30(1):19-24.
[8]戴声佩,李海亮,罗红霞,等.1960-2011年华南地区界限温度10℃积温时空变化分析[J].地理学报,2014,69(5):650-660.
[9]孟艳灵,殷淑燕,杨锋,等.晋陕蒙地区≥10℃积温的时空变化特征[J].中国农业气象,2016,37(6):615-622.
[10]朱红蕊,尹嫦姣,张洪玲,等.黑龙江省≥10℃积温时空变化特征[J].冰川冻土,2015,37(6):1473-1479.
[11]王永光,艾婉秀.东北地区≥10℃有效积温的分析及预报[J].中国农业气象,1997,18(3):39-44.
[12]范春楠,郑金萍,韩士杰,等.吉林省中东部森林分布区水曲柳分布及其生态特征[J].北京林业大学学报,2017,39(4):1-11.
[13]吉林省人民政府.生态区域分布[EB/OL].2017-03-22.http://www.jl.gov.cn/sq/jlsgk/zyhj/.
[14]张燕卿,刘勤,严昌荣,等.黄河流域积温数据栅格化方法优选[J].生态学报,2009,29(10):5580-5585.
[15]张华,王岚,刘剑刚,等.吉林省热量资源的时空变化特征[J].自然灾害学报,2018,27(5):171-180.
[16]任林举.吉林“黄金玉米带”是荣耀的王冠,还是沉重的翅膀?[J].黑龙江粮食,2017(6):30-33.
[17]范志宣.气候变化背景下基于作物模型的吉林省玉米潜在产量模拟[D].沈阳:沈阳农业大学,2016.
[18]张立伟,秦步云.吉林省≥10℃积温的分区研究[J].吉林气象,2000(1):12-15.