孟加拉国东南沿海岛屿1977 - 2017年气候变化诱发参数分析

P. Barua, Syed Hafizur Rahman, M. H. Molla
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引用次数: 0

摘要

气候变化是新千年最大的威胁之一,孟加拉国被认为是影响世界气候变化的“典型代表”。本研究的主要重点是调查1977年至2017年孟加拉国东南沿海两个沿海岛屿气候参数的变化模式,特别是温度、降雨量、湿度、云量和风速。线性回归模型显示,1977 - 2017年库图布迪亚岛和桑季伊普岛的气温分别上升了0.0298倍和0.0444倍。此外,Kutubdia的降雨模式每年比以前减少0.4083,Sandwip群岛的降雨模式每年比以前增加0.875。湿度水平也由于温度的升高和灌溉蒸发用水的可用性而增加。此外,随着温度和湿度的增加,海岛地区的风速和云覆盖率变化显著增加。这也意味着降雨率随着天空云量的增加而增加。然而,该研究发现,岛屿地区的阳光照射率正在下降。日照减少率非常高,这是一个特别地区的农业和卫生部门非常关注的问题。因此,社区对气候参数、关联和极端的概念是很明显的。他们认为,糟糕的土地利用规划是导致气候变化的主要人为因素,并主张提高因气候变化而面临危险的关联农田的能力。总之,沿海居民建议,如果信息通过新闻广播、电话短信或互联网等更快速可靠的来源传播,做好准备会更容易。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of Climate Change Induced Parameters of South-Eastern Coastal Islands of Bangladesh: Comparison from 1977 to 2017
Climate change is one of the biggest threats for the new millennium, and Bangladesh is considered as "Poster Child" as an impact on climate change in the world. The main focus of this study is to investigate the changing pattern of climate parameters, particularly temperature, rainfall, humidity, cloud coverage, and wind speed in two coastal islands of the southeastern coast of Bangladesh from 1977 to 2017. The linear regression model described that the temperature in Kutubdia and Sandwip islands was 0.0298 and 0.0444 times increased from 1977 to 2017. Besides, rainfall patterns in Kutubdia decreased by 0.4083, and Sandwip Islands increased by 0.875 every year from its previous counterpart. The humidity level also increased due to the rise of temperature and water availability for evaporation from irrigation. Moreover, significant changes in wind speed and the cloud coverage rate in the Island areas increased with the increasing value of temperature and humidity. It also means the rainfall rate increases with cloud cover in the sky. However, the study found decreasing rates of bright sunshine in the Island areas. The declining rate of sunshine is very high and is a matter of great concern for the agriculture and health sectors in particular areas. Therefore, the community's concept of climate parameters, association, and extremes is well apparent. Identify poor land use planning as the primary anthropogenic driver of the change, and they advocated boosting the capacity of linked fields that are in danger owing to climate change. To conclude, the coastal inhabitants recommended that taking preparedness would be easier if the information transmitted through quicker and reliable sources such as news broadcasts, phone messages, or the internet.
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