[1]陆耀凡,廖雪萍,陈欣,等.近40年广西右江河谷甘蔗生长季干旱时空特征[J].气象研究与应用,2015,36(02):62-65.
　Lu Yao-fan,Liao Xue-ping,Chen Xin,et al.The spatial-temporal characteristics of sugarcane growing season drought during 40 years in Youjiang River Valley area of Guangxi[J].Journal of Meteorological Research and Application,2015,36(02):62-65.
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近40年广西右江河谷甘蔗生长季干旱时空特征()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第36卷
期数:
2015年02期
页码:
62-65
栏目:
应用气象
出版日期:
2015-12-21

文章信息/Info

Title:
The spatial-temporal characteristics of sugarcane growing season drought during 40 years in Youjiang River Valley area of Guangxi
作者:
陆耀凡1;  廖雪萍2;  陈欣3;  李耀先2;  黎颖智4
1. 广西百色市气象局, 广西百色 533000;
2. 广西气象减灾研究所, 广西南宁 530022;
3. 百色市田东县气象局, 广西田东 531500;
4. 广西气象服务中心, 广西南宁 530022
Author(s):
Lu Yao-fan1;  Liao Xue-ping2;  Chen Xin3;  Li Yao-xian2;  Li Ying-zhi4
1. Baise Municipal Meteorological Service, Baise Guangxi 533000;
2. Guangxi Meteorological Disaster Reduction Institute, Nanning Guangxi 530022;
3. Tiandong County Meteorological Service, Tiandong Guangxi 531500;
4. Guangxi Meteorological Service Center, Nanning Guangxi 530022
关键词:
右江河谷; 甘蔗; 干旱; 演变; 特征
Keywords:
Youjiang River valley; sugarcane; drought; evolution
分类号:
S162.5+4
摘要:
利用百色、田阳、田东和平果气象观测站1971~2013a历年实测的逐日降水量资料以及平果站1990~2013a甘蔗发育期观测资料,采用水分盈亏指数表征甘蔗干旱状况,通过分析甘蔗生长季及各发育期水分盈亏指数的时空演变特征研究得出广西右江河谷近40a甘蔗生长季干旱时空特征。结果表明,右江河谷甘蔗生长季的水分均亏缺,平均水分盈亏指数为-0.27,其中甘蔗生长季及茎伸长-成熟期以右江区和田阳县水分亏缺最多,平果县水分亏缺最少。近40年右江河谷甘蔗生长季及各发育期水分盈亏指数的变化呈下降趋势,其中生长季水分盈亏指数的降速为0.02~0.03/10a。右江河谷各县区的水分盈亏指数随着年代的增长而变小,最大值均出现在70年代,最小值均出现在21世纪,说明21世纪以来干旱有所加剧。研究结果可为调整右江河谷甘蔗合理种植布局、制定科学灌溉用水调配计划提供参考依据。
Abstract:
Based on the daily precipitation data of meteorological stations in Baise, Tian Yang, Tiandong and Pingguo from 1971 to 2013 and sugarcane developmental phase observation data in Pingguo from 1990 to 2013, the spatial and temporal evolution characteristics of moisture loss index during the whole sugarcane developmental phase and each developmental phase to find the spatial-temporal characteristics of sugarcane growing season drought during 40 years in Youjiang River Valley area of Guangxi. The results show that:the water was lack during the growing season of sugarcane planting in the youjiang river valley, the average moisture loss index is 0.27, and where the water deficit is most during the sugar cane growing season and stem elongation-most mature period are in Youjiang valley area and Tianyang, while the place of least water deficit is Pingguo. In addition, the moisture loss index during the sugar cane growing season and each developmental phase declined Youjiang river valley in recent 40 years with the declining speed of 0.02~0.03/10 a. the moisture loss index of counties in Youjiang river valley became smaller with the passing of the years, the maximum occurred in the 70 s and the minimum occurred in the 21st century, which indicates the drought intensified since the 21st century. The results can be provided a reference for adjusting sugarcane planting layout in Youjiang river valley and scientific irrigation water allocation plan.

相似文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-12-16。
作者简介:陆耀凡(1966-),男,工程师,主要从事应用气象业务管理与研究。
更新日期/Last Update: 1900-01-01