Development and application of biogenic emission model version 3 for Taiwan

• Main Authors: Zhi-Yaun You, 游智淵
• Other Authors: Ken-Hui Chang
• Format: Others
• Language: zh-TW
• Published: 2004
• Online Access: http://ndltd.ncl.edu.tw/handle/45020041657396185989

碩士 === 國立雲林科技大學 === 環境與安全工程系碩士班 === 92 === Biogenic VOCs emission is considered maybe play an important role in photochemical production of smog. The study is base on BEIS-2（Biogenic Emissions Inventory System Version 2）and match up the land use database and meterological data of Taiwan to develop TBEIS（Taiwan Biogenic Emissions Inventory System）. Expanded includes leaf temperature energy balance model and update emission factor , called Taiwan Biogenic Emission Inventory System Version 2.1 (TBEIS-2.1). Geron (2000) reported that it would have ±30~50 % error for biogenic monoterpene emission estimation if BEIS-2.0 is used to estimate total monoterpene emission. Goldstein (1999) also presented that humidify is an important factor affecting monoterpene emission and secondary organic aerosol. Therefore, this study will develop a new version of biogenic volatile organic compounds emission inventory for Taiwan (TBEIS-3.0) on the basis of TBEIS-2.1 that was developed in 2002. The new version one should be more suitable for air quality modeling. For the sensitive of meteorology parameter of affecting biogenic VOCs emission , parameter include ambient air temperature、photosythetically active radiation flux、total radiation flux by leaf、fractional area of cloud coverage、windspeed and rhumidy , the result shown , the sensitive of ambient air temperature and total radiation flux by leaf was highest , secondary are windspeed and rhumidy. The result of TBEIS-3.0 simulate biogenic emission for 2000 that the: The biogenic VOCs emission of Taiwan are about 433 thousand metric tons over a year (2000). Isoprene are 148 thousand metric tons , about 34.3% for tatal biogenic emission , methylbutenol are 7 thousand metric tons(1.6%) , 14 monoterpene are 147 thousand metric tons(34%) , 17 other VOCs are 137 thousand metric tons(31.7%). α-pinene emission are 57 thousand metric tons , bout 13% for tatal monoterpene , next are β-pinene and limonene , about 24(5.6%) and 20(4.6%) thousand metric tons ,α-thujene are lowest(0.3%). For 17 other VOCs , methanol emission was highest ,about 42 thousand metric tons(9.8%) , next are hexenyl acetate and formaldehyde , about 32(7.4%) and 11(2.6%) thousand metric tons , ethene are lowest(0.01%). TBEIS-3 compare with TBEIS-2.1 , TBEIS-3 emission increase of 127 thousand metric tons , about 42% , monoterpene was highest , about 84% , noon are increase highest , other VOCs are 62% , isoprene are 4%.