A Hierarchical Model for Estimating Methane Emission from Wetlands using MODIS Data and ARIMA Modeling

被引:2
|
作者
Agarwal, Reshu [1 ]
Gupta, Rakesh [2 ]
Garg, J. K. [1 ]
机构
[1] GSS Indraprastha Univ, Univ Sch Environm Management, Delhi 110403, India
[2] Dept Stat, Meerut 250004, Uttar Pradesh, India
关键词
MODIS; ARIMA; Methane; Wetlands;
D O I
10.1007/s12524-009-0040-8
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A three-step hierarchical Semi Automated Empirical Methane Emission Model (SEMEM) has been used to estimate methane emission from wetlands and waterlogged areas in India using Moderate Resolution Imagine Spectro-radiometer (MODIS) sensor data onboard Terra satellite. Wetland Surface Temperature (WST), methane emission fluxes and wetland extent have been incorporated as parameters in order to model the methane emission. Analysis of monthly MODIS data covering the whole of India from November 2004 to April 2006 was carried out and monthly methane emissions have been estimated. Interpolation techniques were adopted to fill the data gaps due to cloudy conditions during the monsoon period. AutoRegressive Integrated Moving Average (ARIMA) model has been fitted to estimate the emitted methane for the months of May 2006 to August 2006 using SPSS software.
引用
收藏
页码:473 / 481
页数:9
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