自然资源学报 ›› 2002, Vol. 17 ›› Issue (2): 168-173.doi: 10.11849/zrzyxb.2002.02.007

• 论文 • 上一篇    下一篇

渤海和黄海北部地区负积温资源的时空分布特征

顾卫, 史培军, 刘杨, 谢锋, 蔡雪鹏   

  1. 北京师范大学资源科学研究所 环境演变与自然灾害教育部重点实验室,北京100875
  • 收稿日期:2001-07-16 修回日期:2001-10-11 出版日期:2002-04-25 发布日期:2002-04-25
  • 作者简介:顾卫(1956~),男,吉林省人,北京师范大学副教授,博士,主要从事区域资源开发利用方面的研究。E-mail:weigu@bnu.edu.cn
  • 基金资助:

    科技部渤海海冰资源的开发利用项目资助;教育部留学回国人员科研项目资助

The characteristics of temporal and spatial distribution of negative accumulated temperature in Bohai Sea and north Yellow Sea

GU Wei, SHI Pei-jun, LIU Yang, XIE Feng, CAI Xue-peng   

  1. Institute of Resource Science,Beijing Normal University;Key Laboratory of Environmental Change and Natural Disaster,Ministry of Education,Beijing100875,China
  • Received:2001-07-16 Revised:2001-10-11 Online:2002-04-25 Published:2002-04-25

摘要: 论文以日平均气温≤-4℃的累积值和日数作为与海冰有关的气候指标,统计了渤海和黄海北部沿岸及其邻近地区52个气象站≤-4℃积温和日数的逐年资料,并根据52个气象站的气候指标值与经度、纬度、海拔高度的相关关系,建立空间分布方程,推算无资料海区中214个网格点的≤-4℃积温和日数,绘制渤海和黄海北部地区≤-4℃积温和日数分布图。研究结果表明:≤-4℃积温的空间分布呈现南北差异大、东西变化小的特征,-100℃等值线与渤海和黄海北部常年冰情分布范围大致相当;冰情较重的偏重低温年、严重低温年的≤-4℃积温保证率在黄海北部和辽东湾不超过40%,在渤海湾和莱州湾只有20%以下。

关键词: 渤海和黄海北部, 负积温, 海冰, 时空分布

Abstract: Based on the climate indicators of the accumulated value of mean temperature≤-4℃and the number of days,the annual data of the accumulated temperature and days≤-4℃of52meteorological stations of Bohai Sea and north Yellow Sea are calculated.According to the cor-relativity of climate indicators with longitude,latitude and altitude,the equation of spatial distri-bution is established to calculate the accumulated temperature and days of214grids in the sea area which is short of data,and draw the contour maps of the accumulated temperature and days.The results show that the spatial distribution of the accumulated temperature≤-4℃has the characteristics of greater difference between South and North,and smaller difference between East and West.The distribution range of ice conditions in the normal year in Bohai Sea and north Yellow Sea is the same with the contour of-100℃.In relatively serious year and the seri-ous year the ensurance ratio of the accumulated temperature≤-4℃is less than40%,and those in Bohai Bay and Laizhou Bay are less than20%.

Key words: Bohai Sea and north Yellow Sea, negative accumulated temperature, sea ice, tem-poral and spatial distribution