基于遥感技术的内蒙古乌达煤田火区碳排放计算 简
为了获得煤田火区的碳排放量,建立了计算煤田火区CO2排放通量法模型,其中,确定火区面积是该模型的关键基础参数。采用2011-01-24的ASTER L1B热红外遥感数据反演内蒙古乌达煤田火区的地表温度,提出基于梯度的自适应阈值法,以热红外图像梯度极值为阈值圈定火区范围,估算得到乌达煤田火区面积为239.6 hm2。利用排放通量法模型,依据遥感和其他手段获得的基础参数数据,计算了乌达煤田火区的碳排放量,结果显示乌达煤田火区每年的CO2碳排放量达37.9×104t。...
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| Published in: | 煤炭学报 no. 12; pp. 2489 - 2494 |
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| Format: | Journal Article |
| Language: | Chinese |
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2014
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| Abstract | 为了获得煤田火区的碳排放量,建立了计算煤田火区CO2排放通量法模型,其中,确定火区面积是该模型的关键基础参数。采用2011-01-24的ASTER L1B热红外遥感数据反演内蒙古乌达煤田火区的地表温度,提出基于梯度的自适应阈值法,以热红外图像梯度极值为阈值圈定火区范围,估算得到乌达煤田火区面积为239.6 hm2。利用排放通量法模型,依据遥感和其他手段获得的基础参数数据,计算了乌达煤田火区的碳排放量,结果显示乌达煤田火区每年的CO2碳排放量达37.9×104t。 |
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| AbstractList | 为了获得煤田火区的碳排放量,建立了计算煤田火区CO2排放通量法模型,其中,确定火区面积是该模型的关键基础参数。采用2011-01-24的ASTER L1B热红外遥感数据反演内蒙古乌达煤田火区的地表温度,提出基于梯度的自适应阈值法,以热红外图像梯度极值为阈值圈定火区范围,估算得到乌达煤田火区面积为239.6 hm2。利用排放通量法模型,依据遥感和其他手段获得的基础参数数据,计算了乌达煤田火区的碳排放量,结果显示乌达煤田火区每年的CO2碳排放量达37.9×104t。 |
| Author | 曹代勇 杨光 豆旭谦 宋现锋 杜晓敏 |
| AuthorAffiliation | 中国矿业大学(北京)地球科学与测绘工程学院 中国科学院大学资源与环境学院 |
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| Snippet | 为了获得煤田火区的碳排放量,建立了计算煤田火区CO2排放通量法模型,其中,确定火区面积是该模型的关键基础参数。采用2011-01-24的ASTER L1B热红外遥感数据反演内蒙古乌达煤田火区的地表温度,提出基于梯度的自适应阈值法,以热红外图像梯度极值为阈值圈定火区范围,估算得到乌达煤田火区面积为239.6... |
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| SubjectTerms | ASTER热红外遥感 乌达煤田 煤田自燃 碳排放 |
| Title | 基于遥感技术的内蒙古乌达煤田火区碳排放计算 简 |
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