Verification of energy consumption in China during 1996-2003 by using satellite observational data

Hajime Akimoto, Toshimasa Ohara, Jun ichi Kurokawa, Nobuhiro Horii

Research output: Contribution to journalArticle

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Abstract

There is substantial difference in the coal consumption data in China during 1996-2003 among the three official energy statistics; the province-by-province data in the China Energy Statistics Yearbook (PBP-CESY), the energy balance tables by International Energy Agency (IEA2004) [2004, Energy Statistics of Non-OECD Countries. IEA, Paris], and the country-total data in the China Energy Statistics Yearbook (CT-CESY). Verification of these data was made by GOME satellite observational data for tropospheric NO2 column density in Northern China Plain reported by Irie et al. [2005, Evaluation of long-termtropospheric NO2 data obtained by GOME over East Asia in 1996-2002. Geophysical Research Letter 32(11), L11810, doi: 10.1029/2005GL022770] and Richter et al. [2005, Increase in tropospheric nitrogen dioxide over China observed from space. Nature 437, 129-130]. The NO2 column increase from 1996 to 2002 averaged for the two reports is about 50%, whereas the NOx emission increases based on the PBP-CESY and IEA2004 are 25% and 15%, respectively, and that for CT-CESY is even lower. The discrepancy of the increasing trends between the satellite data and the PBP-CESY emission inventory could be within the uncertainty level with a reservation that the increase in total fuel consumption in PBP-CESY may still be underestimated particularly after the year of 1999. The increasing rates of NOx emissions during 1996-2002 calculated by using the IEA2004 and CT-CESY statistics are apparently underestimated beyond the uncertainty level of the satellite observation, and they are recommended not to be used for emission inventory studies in China during the period.

Original languageEnglish
Pages (from-to)7663-7667
Number of pages5
JournalAtmospheric Environment
Volume40
Issue number40
DOIs
Publication statusPublished - Dec 1 2006
Externally publishedYes

Fingerprint

energy
GOME
emission inventory
energy consumption
statistics
province
fuel consumption
nitrogen dioxide
energy balance
satellite data
coal

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Atmospheric Science

Cite this

Verification of energy consumption in China during 1996-2003 by using satellite observational data. / Akimoto, Hajime; Ohara, Toshimasa; Kurokawa, Jun ichi; Horii, Nobuhiro.

In: Atmospheric Environment, Vol. 40, No. 40, 01.12.2006, p. 7663-7667.

Research output: Contribution to journalArticle

Akimoto, Hajime ; Ohara, Toshimasa ; Kurokawa, Jun ichi ; Horii, Nobuhiro. / Verification of energy consumption in China during 1996-2003 by using satellite observational data. In: Atmospheric Environment. 2006 ; Vol. 40, No. 40. pp. 7663-7667.
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title = "Verification of energy consumption in China during 1996-2003 by using satellite observational data",
abstract = "There is substantial difference in the coal consumption data in China during 1996-2003 among the three official energy statistics; the province-by-province data in the China Energy Statistics Yearbook (PBP-CESY), the energy balance tables by International Energy Agency (IEA2004) [2004, Energy Statistics of Non-OECD Countries. IEA, Paris], and the country-total data in the China Energy Statistics Yearbook (CT-CESY). Verification of these data was made by GOME satellite observational data for tropospheric NO2 column density in Northern China Plain reported by Irie et al. [2005, Evaluation of long-termtropospheric NO2 data obtained by GOME over East Asia in 1996-2002. Geophysical Research Letter 32(11), L11810, doi: 10.1029/2005GL022770] and Richter et al. [2005, Increase in tropospheric nitrogen dioxide over China observed from space. Nature 437, 129-130]. The NO2 column increase from 1996 to 2002 averaged for the two reports is about 50{\%}, whereas the NOx emission increases based on the PBP-CESY and IEA2004 are 25{\%} and 15{\%}, respectively, and that for CT-CESY is even lower. The discrepancy of the increasing trends between the satellite data and the PBP-CESY emission inventory could be within the uncertainty level with a reservation that the increase in total fuel consumption in PBP-CESY may still be underestimated particularly after the year of 1999. The increasing rates of NOx emissions during 1996-2002 calculated by using the IEA2004 and CT-CESY statistics are apparently underestimated beyond the uncertainty level of the satellite observation, and they are recommended not to be used for emission inventory studies in China during the period.",
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