臨太湖局地平原區(qū)人居環(huán)境的自然適宜性評價——以吳江區(qū)為例

doi:10.12306/2022jms.0066

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臨太湖局地平原區(qū)人居環(huán)境的自然適宜性評價——以吳江區(qū)為例
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                        10.12306/2022jms.0066
                    
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中圖分類號:X24
基金項目:國家自然科學(xué)基金資助項目(41975144);江蘇省重點研發(fā)資助計劃(現(xiàn)代農(nóng)業(yè))(BE2019387);江蘇省科技支撐計劃資助項目(BE2014734)

Evaluation on natural suitability of human settlement environment in a local plain area near the Taihu Lake: take Wujiang district as a case

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本文以蘇州市吳江區(qū)為例,利用1971—2016年吳江區(qū)常規(guī)氣象觀測資料、2004—2016年吳江區(qū)自動氣象觀測數(shù)據(jù)、2016年吳江區(qū)各鎮(zhèn)人口和面積數(shù)據(jù)、2016年ASTER GDEM 高程數(shù)據(jù)和Landsat 8 OLI_TIRS衛(wèi)星遙感數(shù)據(jù),將湖陸風(fēng)指數(shù)引入人居自然環(huán)境適宜性評價體系,建立緩沖區(qū)后,分別計算氣候適宜性指數(shù)、地被指數(shù)、水文指數(shù)、湖陸風(fēng)指數(shù)和人居環(huán)境自然適宜性綜合指數(shù),在此基礎(chǔ)上,分區(qū)分級評價了吳江區(qū)人居環(huán)境的自然適宜性。研究結(jié)果表明:(1)吳江區(qū)人居環(huán)境自然適宜度從西部往東部逐漸遞減。(2)一般適宜區(qū)主要位于吳江區(qū)的東北部和東南局地,中度適宜區(qū)分布在中北部和南部,較高適宜區(qū)位于中部以西太湖沿岸,高度適宜區(qū)位于緊臨太湖的西南地區(qū),極高適宜區(qū)位于西南角局部地區(qū)。(3)引入湖陸風(fēng)指數(shù)后,評價結(jié)果能更好地反映臨湖平原的湖陸風(fēng)環(huán)流對局地氣候所起的關(guān)鍵作用。(4)建立緩沖區(qū)后的水文指數(shù)分布能夠更客觀地反映吳江區(qū)不同尺度水體分布對人居環(huán)境自然選擇的影響。

Abstract:

Taking Wujiang District of Suzhou as an example, the conventional meteorological observation data from 1971 to 2016, automatic meteorological observation data from 2004 to 2016, population and area data of all towns in 2016 in Wujiang District and the ASTER GDEM elevation data in 2016 and the satellite remote sensing data of Landsat 8 OLI TIRS_in 2016 were used to calculate the climate suitability index, ground cover index, hydrological index, lake land breeze index and comprehensive index of natural suitability of human settlement environment respectively in this district after a lake-land breeze index was introduced into the suitability evaluation system of natural environment of human settlement and a buffer zone was established. Consequently, the natural suitability of human settlements in Wujiang district was evaluated in different regions and grades. Results show as follows: (1) the natural suitability of human settlements in Wujiang district is gradually decreasing from the west to the east. (2) Affected by the local climate with the prevailing lake-land breeze, vegetation coverage, terrain, water body distribution and other factors, the generally suitable areas were mainly located in the northeast and southeast of Wujiang district, moderately suitable areas were distributed in the north-central and southern parts, higher suitable areas were located on the coast of Taihu Lake west of the central part, and highly suitable areas were located in the southwest area close to Taihu Lake, with extremely high suitable areas, extremely suitable areas were located in a partial area of the southwest corner. (3) After the introduction of lake-land breeze index, the evaluation results can better reflect the key role of lake-land breeze circulation on local climate. (4) After the establishment of buffer zone, the hydrological index distribution can more objectively reflect the impact of water distribution of different scales on the natural selection of human settlements in Wujiang district.

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郭云飛,包云軒,嚴明良,沈利洪,朱焱.臨太湖局地平原區(qū)人居環(huán)境的自然適宜性評價——以吳江區(qū)為例.氣象科學(xué),2023,43(4):543-552 GUO Yunfei, BAO Yunxuan, YAN Mingliang, SHEN Lihong, ZHU Yan. Evaluation on natural suitability of human settlement environment in a local plain area near the Taihu Lake: take Wujiang district as a case. Journal of the Meteorological Sciences,2023,43(4):543-552

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收稿日期:2021-09-26
最后修改日期:2022-06-16
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在線發(fā)布日期: 2024-01-23
出版日期: 2023-08-15

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