大型光伏电站对共和盆地荒漠区微气候的影响

殷代英; 马鹿; 屈建军; 赵素平; 余晔; 谭立海; 肖建华

doi:10.13961/j.cnki.stbctb.2017.03.003

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大型光伏电站对共和盆地荒漠区微气候的影响

实验研究

- 大型光伏电站对共和盆地荒漠区微气候的影响
- Effect of Large Photovoltaic Power Station on Microclimate of Desert Region in Gonghe Basin
- 水土保持通报 2017年37卷第3期页码：15-21
- 作者机构：
  
  1. 中国科学院西北生态环境资源研究院敦煌戈壁荒漠生态与环境研究站,甘肃,兰州,730000
  2. 中国科学院寒旱区陆面过程与气候变化重点实验室,甘肃,兰州,730000
  3. 青海黄河上游水电开发有限责任公司,青海,西宁,810008
- 作者简介：
- 基金信息：
  
  黄河水电水利公司项目“光伏产业带动生态建设试验示范”（90Y490B21）;中国科学院寒旱区陆面过程与气候变化重点实验室开放资助项目支持（LPCC201502）
- DOI：10.13961/j.cnki.stbctb.2017.03.003
  中图分类号：
- 纸质出版：2017
- 稿件说明：
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殷代英, 马鹿, 屈建军, 等. 大型光伏电站对共和盆地荒漠区微气候的影响[J]. 水土保持通报, 2017,37(3):15-21.

YIN Daiying, MA Lu, QU Jianjun, et al. Effect of Large Photovoltaic Power Station on Microclimate of Desert Region in Gonghe Basin[J]. Bulletin of Soiland Water Conservation, 2017, 37(3): 15-21.
殷代英, 马鹿, 屈建军, 等. 大型光伏电站对共和盆地荒漠区微气候的影响[J]. 水土保持通报, 2017,37(3):15-21. DOI： 10.13961/j.cnki.stbctb.2017.03.003.

YIN Daiying, MA Lu, QU Jianjun, et al. Effect of Large Photovoltaic Power Station on Microclimate of Desert Region in Gonghe Basin[J]. Bulletin of Soiland Water Conservation, 2017, 37(3): 15-21. DOI： 10.13961/j.cnki.stbctb.2017.03.003.

摘要

[目的] 揭示光伏电站内外局地小气候的差异，评估大型光伏电站的布设对共和盆地荒漠区小气候的影响。[方法] 利用自动气象站的观测数据，通过对比对照点和光伏电站内观测点观测得到的基本气象要素（气温、相对湿度、风速和风向、辐射）和土壤温湿度评估大型光伏电站的布设对共和盆地荒漠区小气候的影响。[结果] 光伏电站的布设使得共和盆地荒漠区相对湿度增加3.93%，这种影响在较干日和夜间表现的更明显。在布设光伏电站后风向由原来的东北风转为以东风为主，光伏电站的布设使得局地风向更加单一。对于风速而言，在布设光伏电站后大风速出现的比例显著降低。大型光伏电站使得共和盆地荒漠区风速减小了53.92%。大型光伏电站使得共和盆地荒漠区10，20，40 cm平均土壤温度分别降低17.20%，16.75%和16.09%，对浅层的影响大于深层。光伏电站对共和盆地荒漠区10 cm土壤湿度的影响较其他要素更显著，大型光伏电站使得共和盆地荒漠区10 cm平均土壤湿度增加了71.61%。[结论] 大型光伏电站使得共和盆地荒漠区的湿度增加；风向变得单一，风速减小；土壤温度降低和土壤湿度增加。

Abstract

[Objective] The effect of large photovoltaic(PV) power station on micro-climate of desert region in Gonghe Basin was evaluated via comparing basic meteorological factors to reveal the difference of microclimate both inside and outside of the photovoltaic power station.[Methods] Based on the meteorological data measured by automatic meteorological station

the impact of large PV power stations on microclimate of desert region in Gonghe Basin was evaluated by comparing the basic meteorological elements

including air temperature

relative humidity(RH)

wind speed and direction

solar radiation

and soil temperature and water content of control point and monitoring points.[Results] The RH increased by 3.93% in desert region of Gonghe Basin due to the effect of large PV power station

which was more evident in drier day and during nighttime. The prevailing wind direction shifted from northeast to east after PV power station was established

and PV power station made local wind direction more single. As for wind speed

the frequency of high wind was significantly decreased after PV power station was established

and the wind speed reduced by 53.92% in desert region of Gonghe Basin due to the effect of large PV power station. The large PV power station made mean soil temperature reduced by 17.20%

16.75% and 16.09% at the depth of 10

40 cm

and the impact for shallow soil layer was more significant than that for deep soil layer. Additionally

the effect of large PV power station on soil water content in desert region of Gonghe Basin was more obvious than the ones on other factors. The mean soil water content(10 cm) was increased by 71.61% in Gonghe Basin due to the effect of large PV power station.[Conclusion] The large PV power station made the relative humidity increased

the prevailing wind direction became single

the wind speed and mean soil temperature decreased

and soil humidity increased in desert region of Gonghe Basin.

关键词

Keywords

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