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  Development of Wet-Bulb-Temperatures in Germany with special regard to conventional thermal Power Plants using Wet Cooling Towers

Aich, V., Strauch, U., Sieck, K., Leyens, D., Jacob, D., & Paeth, H. (2011). Development of Wet-Bulb-Temperatures in Germany with special regard to conventional thermal Power Plants using Wet Cooling Towers. Meteorologische Zeitschrift, 20, 601-614. doi:10.1127/0941-2948/2011/0259.

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資料種別: 学術論文

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metz_Vol_20_No_6_p601-614_Development_of_Wet_Bulb_Temperatures_in_Germany_with_special_regard_to_conventional_thermal_Power_Plants_using_Wet_Cooling_Towers_76393.pdf (出版社版), 3MB
 
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metz_Vol_20_No_6_p601-614_Development_of_Wet_Bulb_Temperatures_in_Germany_with_special_regard_to_conventional_thermal_Power_Plants_using_Wet_Cooling_Towers_76393.pdf
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制限付き ( Max Planck Society (every institute); )
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著作権日付:
2011
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© Bornträger
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 作成者:
Aich, V., 著者
Strauch, U., 著者
Sieck, K., 著者
Leyens, D., 著者
Jacob, D.1, 2, 3, 著者           
Paeth, H., 著者
所属:
1The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, Bundesstraße 53, 20146 Hamburg, DE, ou_913550              
2Climate Service Center, Einrichtung Am Helmholtz-Zentrum Geesthacht, Germany, ou_persistent22              
3B 5 - Urban Systems - Test Bed Hamburg, Research Area B: Climate Manifestations and Impacts, The CliSAP Cluster of Excellence, External Organizations, Bundesstraße 53, 20146 Hamburg, DE, ou_1863485              

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 要旨: Wet-bulb-temperature (WBT) defines the cooling distance of cooling water in wet cooling towers (or wet honeycomb radiators) at water-cooled power plants. Thus, the development of WBT in the 21st century under different scenarios of future climate change is highly relevant for the electricity production sector and is examined in this study for Germany. We use high-resolution simulated data from the regional climate model REMO. As WBT is no direct model output, it is calculated using dry-bulb-temperature (DBT), relative humidity and surface air pressure using two alternative methods. The iterative method provides better results for validation. The computed WBT is quite close to the observations. It reveals a statistically significant exponential increase until 2100 ranging from 1.6 degrees C to 2.4 degrees C in the B1 scenario and from 2.6 degrees C to 3.4 degrees C in the A2-scenario. Furthermore the study indicates that changes of the DBT will be the decisive factor for the !
WBT-increase in the 21st century. Significant differences in the increase of extreme heat events between a region in northern and one in southwestern Germany are highlighted by a threshold analysis. The increase of hourly extreme values in southwestern Germany is about 30% higher than in the north. A detected west-east gradient is probably related to the North Atlantic Oscillation and a general increase in westerly situations over Germany. The discrepancies between B1 and A2 scenario are striking and highlight the impact of different levels of global greenhouse gas emissions on regional climate.

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言語: eng - English
 日付: 2011-12
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): DOI: 10.1127/0941-2948/2011/0259
 学位: -

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出版物 1

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出版物名: Meteorologische Zeitschrift
種別: 学術雑誌
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出版社, 出版地: Berlin : Borntraeger
ページ: - 巻号: 20 通巻号: - 開始・終了ページ: 601 - 614 識別子(ISBN, ISSN, DOIなど): ISSN: 0941-2948
CoNE: https://pure.mpg.de/cone/journals/resource/954928499490