[1]王潇潇,潘学标,陈燕丽,等.武川地区春玉米生长季水热资源和安全播期变化特征[J].气象研究与应用,2019,40(02):68-72.
　Wang Xiaoxiao,Pan Xuebao,Chen Yanli,et al.Variation Characteristics of Hydrothermal Resources and Safe Sowing date in spring maize growing season in Wuchuan area[J].Journal of Meteorological Research and Application,2019,40(02):68-72.
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武川地区春玉米生长季水热资源和安全播期变化特征()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第40卷
期数:
2019年02期
页码:
68-72
栏目:
生态与气象专题
出版日期:
2019-06-30

文章信息/Info

Title:
Variation Characteristics of Hydrothermal Resources and Safe Sowing date in spring maize growing season in Wuchuan area
作者:
王潇潇1;  潘学标1;  陈燕丽2;  胡莉婷1;  魏培1;  赵海涵1
1. 中国农业大学资源与环境学院, 北京 100193;
2. 广西壮族自治区气象科学研究所, 南宁 530022
Author(s):
Wang Xiaoxiao1;  Pan Xuebao1;  Chen Yanli2;  Hu Liting1;  Wei Pei1;  Zhao Haihan1
1. College of Resources and Environment, China Agricultural University, Beijing 100193;
2. Guangxi Institute of Meteorological Sciences, Nanning 530022
关键词:
气候变化; 水热资源; 玉米; 灾害
Keywords:
climate change; hydrothermal resources; maize; disasters
分类号:
P467
摘要:
气候变化背景下我国玉米种植界限北移且气象灾害频发。为给内蒙古武川地区在合理调整品种布局和优化利用农业气候资源上提供科学参考，本研究利用武川地区1961-2018年逐日气象观测数据，对该地区春玉米生长季水热资源和安全播期变化特征进行分析。研究结果表明：武川地区稳定通过10℃的持续日数为99~156d，≥ 10℃的活动积温值为2051.4℃·d，并以66.0℃·d·（10a）-1的速率显著增加，5、9月活动积温稳定性较差。春玉米始播期显著提前、最迟播期显著推迟，各年代可播种成熟的年份数增加。全生长季降水量为299.8mm，5月降水量年际波动较大，8月降水量显著减少。玉米全生长季中旱灾达到“十年七旱”，8月干旱灾害不断加重。
Abstract:
Under the background of climate change, China’s corn planting boundaries have moved northward and meteorological disasters have occurred move frequently.In order to provide a scientifc reference for rationally adjusting the variety layout and optimizing the utilization of agricultural climate resources in Wuchuan, Inner Mongolia, this study used the daily meteorological observation data of 1961-2018 in Wuchuan area to research the variation characteristics of hydrothermal resources and safe sowing date of the spring maize growing season.The results show that the stable duration at 10℃ in Wuchuan area is between 99 and 156 days, and the active accumulated temperature (≥ 10℃) is 2051.4℃·d, which increases signifcantly at the rate of 66.0℃·d·(10a)-1; the stability of active accumulated temperature in May and September is not ideal.The initial sowing date of spring maize is signifcantly advanced while the latest sowing date is signifcantly delayed, and the number of years in which sowing maturity in each decade increases. The precipitation in the whole growing season is 299.8mm. The precipitation in May fluctuates greatly, and the precipitation in August decreases significantly. The drought disaster in the whole growing season of maize has reached "seven droughts in ten years", and the drought disaster has been aggravated continuously in August.

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备注/Memo

备注/Memo:
收稿日期:2019-01-09。
基金项目:国家重点研发计划项目课题（编号2017YFD0300300）,广西气象局科研计划项目（桂气科201705），广西科技厅面上项目（2018GXNSFAA281338），广西科技厅研发项目（桂科攻AB17292051）
作者简介:王潇潇(1990-),女,博士,研究方向为气候风险评估与减灾。E-mail:wangxiaoxiao0902@126.com
通讯作者:潘学标(1962-),男,壮族,博士,教授,研究方向为生物气候模型与信息系统。E-ma
更新日期/Last Update: 1900-01-01