Estimating methane emissions from mangrove area in Ranong Province, Thailand

Autor: Suwanchai Nitisoravut, Sukanda Lekphet, Suwannee Adsavakulchai
Jazyk: angličtina
Rok vydání: 2005
Předmět:
Zdroj: Songklanakarin Journal of Science and Technology (SJST), Vol 27, Iss 1, Pp 153-163 (2005)
Druh dokumentu: article
ISSN: 0125-3395
Popis: This study aimed to estimate methane emissions from the mangrove area of Ranong Province andto explore the factors affecting the emissions, as part of an attempt to evaluate methane contribution to the global methane budget. Methane was measured by using a closed chamber technique and analyzed by a gas chromatograph equipped with a flame ionization detector (FID). The results showed that the annual estimated methane emission was released at approximately 157.32 mg/m2. The amount of methane emission from this mangrove area was lower than in other previously studied areas. Emission rates varied seasonally with the highest rate in the rainy season followed by summer and cold seasons, during which the values were 0.52, 0.27, and 0.19 mg/m2/day, respectively. Seasonal variations of methane emission was related to several factors depending upon field conditions such as water conductivity, soil temperature, and water level.
Databáze: Directory of Open Access Journals