The Flux-Gradient Relationship of Carbon Dioxide over a Paddy Field

Sachiko Inohara, Toru Iwata, Takeshi Miura, Eiji Ohtaki, Akinori Ohtou, Yoshihisa Higuchi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

To elucidate the seasonal and inter-annual variation of CO2 exchanges between the atmosphere and paddy field, the CO2 flux has been measured by the eddy correlation technique at the experimental farm of the Agricultural Faculty, Okayama University, since December in 1998. The CO2 sensor, however, does not work under rainy conditions. The improved aerodynamic technique was developed and used to fill the gap in the eddy flux data. This technique gave reasonable CO2 fluxes even on rainy days. The reliability of the technique was also confirmed by comparing CO2 fluxes with those measured by the eddy correlation technique.

Original languageEnglish
Pages (from-to)215-220
Number of pages6
JournalJournal of Agricultural Meteorology
Volume60
Issue number3
DOIs
Publication statusPublished - 2004

Fingerprint

paddy field
paddies
eddy
carbon dioxide
eddy covariance
annual variation
aerodynamics
methodology
farm
sensor
demonstration farms
atmosphere

Keywords

  • Aerodynamic technique
  • Carbon dioxide
  • Eddy correlation technique
  • Flux-gradient relationship

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Atmospheric Science

Cite this

The Flux-Gradient Relationship of Carbon Dioxide over a Paddy Field. / Inohara, Sachiko; Iwata, Toru; Miura, Takeshi; Ohtaki, Eiji; Ohtou, Akinori; Higuchi, Yoshihisa.

In: Journal of Agricultural Meteorology, Vol. 60, No. 3, 2004, p. 215-220.

Research output: Contribution to journalArticle

Inohara, Sachiko ; Iwata, Toru ; Miura, Takeshi ; Ohtaki, Eiji ; Ohtou, Akinori ; Higuchi, Yoshihisa. / The Flux-Gradient Relationship of Carbon Dioxide over a Paddy Field. In: Journal of Agricultural Meteorology. 2004 ; Vol. 60, No. 3. pp. 215-220.
@article{88b691712f2d4ad2be1dcf8600402026,
title = "The Flux-Gradient Relationship of Carbon Dioxide over a Paddy Field",
abstract = "To elucidate the seasonal and inter-annual variation of CO2 exchanges between the atmosphere and paddy field, the CO2 flux has been measured by the eddy correlation technique at the experimental farm of the Agricultural Faculty, Okayama University, since December in 1998. The CO2 sensor, however, does not work under rainy conditions. The improved aerodynamic technique was developed and used to fill the gap in the eddy flux data. This technique gave reasonable CO2 fluxes even on rainy days. The reliability of the technique was also confirmed by comparing CO2 fluxes with those measured by the eddy correlation technique.",
keywords = "Aerodynamic technique, Carbon dioxide, Eddy correlation technique, Flux-gradient relationship",
author = "Sachiko Inohara and Toru Iwata and Takeshi Miura and Eiji Ohtaki and Akinori Ohtou and Yoshihisa Higuchi",
year = "2004",
doi = "10.2480/agrmet.60.215",
language = "English",
volume = "60",
pages = "215--220",
journal = "J. AGRICULTURAL METEOROLOGY",
issn = "0021-8588",
publisher = "Society of Agricultural Meteorology of Japan/Nihon Nogyo Kisho Gakkai",
number = "3",

}

TY - JOUR

T1 - The Flux-Gradient Relationship of Carbon Dioxide over a Paddy Field

AU - Inohara, Sachiko

AU - Iwata, Toru

AU - Miura, Takeshi

AU - Ohtaki, Eiji

AU - Ohtou, Akinori

AU - Higuchi, Yoshihisa

PY - 2004

Y1 - 2004

N2 - To elucidate the seasonal and inter-annual variation of CO2 exchanges between the atmosphere and paddy field, the CO2 flux has been measured by the eddy correlation technique at the experimental farm of the Agricultural Faculty, Okayama University, since December in 1998. The CO2 sensor, however, does not work under rainy conditions. The improved aerodynamic technique was developed and used to fill the gap in the eddy flux data. This technique gave reasonable CO2 fluxes even on rainy days. The reliability of the technique was also confirmed by comparing CO2 fluxes with those measured by the eddy correlation technique.

AB - To elucidate the seasonal and inter-annual variation of CO2 exchanges between the atmosphere and paddy field, the CO2 flux has been measured by the eddy correlation technique at the experimental farm of the Agricultural Faculty, Okayama University, since December in 1998. The CO2 sensor, however, does not work under rainy conditions. The improved aerodynamic technique was developed and used to fill the gap in the eddy flux data. This technique gave reasonable CO2 fluxes even on rainy days. The reliability of the technique was also confirmed by comparing CO2 fluxes with those measured by the eddy correlation technique.

KW - Aerodynamic technique

KW - Carbon dioxide

KW - Eddy correlation technique

KW - Flux-gradient relationship

UR - http://www.scopus.com/inward/record.url?scp=85024741912&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85024741912&partnerID=8YFLogxK

U2 - 10.2480/agrmet.60.215

DO - 10.2480/agrmet.60.215

M3 - Article

AN - SCOPUS:85024741912

VL - 60

SP - 215

EP - 220

JO - J. AGRICULTURAL METEOROLOGY

JF - J. AGRICULTURAL METEOROLOGY

SN - 0021-8588

IS - 3

ER -