Zobrazeno 1 - 10
of 139
pro vyhledávání: '"E. Saikawa"'
Publikováno v:
GeoHealth, Vol 7, Iss 8, Pp n/a-n/a (2023)
Abstract Phytoremediation has been explored as a cost‐effective method to remediate soil Pb contamination. A greenhouse study was conducted to evaluate the efficacy of Vigna unguiculata, Brassica pekinensis, Gomphrena globose, and Helianthus annuus
Externí odkaz:
https://doaj.org/article/28d0da2cd6bc4c3a929cd6bee7c981ae
Autor:
M. Zhong, E. Saikawa, A. Avramov, C. Chen, B. Sun, W. Ye, W. C. Keene, R. J. Yokelson, T. Jayarathne, E. A. Stone, M. Rupakheti, A. K. Panday
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 8209-8228 (2019)
Air pollution is one of the most pressing environmental issues in the Kathmandu Valley, where the capital city of Nepal is located. We estimated emissions from two of the major source types in the valley (vehicles and brick kilns) and analyzed the co
Externí odkaz:
https://doaj.org/article/bc0985458af949c5b497fa44aabb0ac9
Autor:
T. Jayarathne, C. E. Stockwell, P. V. Bhave, P. S. Praveen, C. M. Rathnayake, Md. R. Islam, A. K. Panday, S. Adhikari, R. Maharjan, J. D. Goetz, P. F. DeCarlo, E. Saikawa, R. J. Yokelson, E. A. Stone
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 2259-2286 (2018)
The Nepal Ambient Monitoring and Source Testing Experiment (NAMaSTE) characterized widespread and under-sampled combustion sources common to South Asia, including brick kilns, garbage burning, diesel and gasoline generators, diesel groundwater pum
Externí odkaz:
https://doaj.org/article/7d8de3422a4040f09231ba89f691ff9c
Autor:
K. C. Wells, D. B. Millet, N. Bousserez, D. K. Henze, T. J. Griffis, S. Chaliyakunnel, E. J. Dlugokencky, E. Saikawa, G. Xiang, R. G. Prinn, S. O'Doherty, D. Young, R. F. Weiss, G. S. Dutton, J. W. Elkins, P. B. Krummel, R. Langenfelds, L. P. Steele
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 735-756 (2018)
We present top-down constraints on global monthly N2O emissions for 2011 from a multi-inversion approach and an ensemble of surface observations. The inversions employ the GEOS-Chem adjoint and an array of aggregation strategies to test how well c
Externí odkaz:
https://doaj.org/article/7b6df3c886924a1fa82ae76d06187e99
Autor:
E. Saikawa, H. Kim, M. Zhong, A. Avramov, Y. Zhao, G. Janssens-Maenhout, J.-I. Kurokawa, Z. Klimont, F. Wagner, V. Naik, L. W. Horowitz, Q. Zhang
Publikováno v:
Atmospheric Chemistry and Physics, Vol 17, Iss 10, Pp 6393-6421 (2017)
Anthropogenic air pollutant emissions have been increasing rapidly in China, leading to worsening air quality. Modelers use emissions inventories to represent the temporal and spatial distribution of these emissions needed to estimate their impacts o
Externí odkaz:
https://doaj.org/article/5564b10502cb433ebd6c596876ec4cf0
Autor:
C. E. Stockwell, T. J. Christian, J. D. Goetz, T. Jayarathne, P. V. Bhave, P. S. Praveen, S. Adhikari, R. Maharjan, P. F. DeCarlo, E. A. Stone, E. Saikawa, D. R. Blake, I. J. Simpson, R. J. Yokelson, A. K. Panday
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 11043-11081 (2016)
The Nepal Ambient Monitoring and Source Testing Experiment (NAMaSTE) campaign took place in and around the Kathmandu Valley and in the Indo-Gangetic Plain (IGP) of southern Nepal during April 2015. The source characterization phase targeted numero
Externí odkaz:
https://doaj.org/article/396da86b7b2441a1b3106f04b8d2bbff
Autor:
R. Hossaini, P. K. Patra, A. A. Leeson, G. Krysztofiak, N. L. Abraham, S. J. Andrews, A. T. Archibald, J. Aschmann, E. L. Atlas, D. A. Belikov, H. Bönisch, L. J. Carpenter, S. Dhomse, M. Dorf, A. Engel, W. Feng, S. Fuhlbrügge, P. T. Griffiths, N. R. P. Harris, R. Hommel, T. Keber, K. Krüger, S. T. Lennartz, S. Maksyutov, H. Mantle, G. P. Mills, B. Miller, S. A. Montzka, F. Moore, M. A. Navarro, D. E. Oram, K. Pfeilsticker, J. A. Pyle, B. Quack, A. D. Robinson, E. Saikawa, A. Saiz-Lopez, S. Sala, B.-M. Sinnhuber, S. Taguchi, S. Tegtmeier, R. T. Lidster, C. Wilson, F. Ziska
Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 9163-9187 (2016)
The first concerted multi-model intercomparison of halogenated very short-lived substances (VSLS) has been performed, within the framework of the ongoing Atmospheric Tracer Transport Model Intercomparison Project (TransCom). Eleven global models o
Externí odkaz:
https://doaj.org/article/d85cfb66760447edb44714d30d47ea39
Autor:
M. Zhong, E. Saikawa, Y. Liu, V. Naik, L. W. Horowitz, M. Takigawa, Y. Zhao, N.-H. Lin, E. A. Stone
Publikováno v:
Geoscientific Model Development, Vol 9, Iss 3, Pp 1201-1218 (2016)
We conducted simulations using the Weather Research and Forecasting model coupled with Chemistry (WRF-Chem) version 3.5 to study air quality in East Asia at a spatial resolution of 20 km × 20 km. We find large discrepancies between two existing emis
Externí odkaz:
https://doaj.org/article/f427e197f4b8455086669017bd490ebb
Autor:
R. L. Thompson, K. Ishijima, E. Saikawa, M. Corazza, U. Karstens, P. K. Patra, P. Bergamaschi, F. Chevallier, E. Dlugokencky, R. G. Prinn, R. F. Weiss, S. O'Doherty, P. J. Fraser, L. P. Steele, P. B. Krummel, A. Vermeulen, Y. Tohjima, A. Jordan, L. Haszpra, M. Steinbacher, S. Van der Laan, T. Aalto, F. Meinhardt, M. E. Popa, J. Moncrieff, P. Bousquet
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 12, Pp 6177-6194 (2014)
This study examines N2O emission estimates from five different atmospheric inversion frameworks based on chemistry transport models (CTMs). The five frameworks differ in the choice of CTM, meteorological data, prior uncertainties and inversion method
Externí odkaz:
https://doaj.org/article/40d646cf886f45138dbcd4cb9d469d9a
Autor:
E. Saikawa, R. G. Prinn, E. Dlugokencky, K. Ishijima, G. S. Dutton, B. D. Hall, R. Langenfelds, Y. Tohjima, T. Machida, M. Manizza, M. Rigby, S. O'Doherty, P. K. Patra, C. M. Harth, R. F. Weiss, P. B. Krummel, M. van der Schoot, P. J. Fraser, L. P. Steele, S. Aoki, T. Nakazawa, J. W. Elkins
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 9, Pp 4617-4641 (2014)
We present a comprehensive estimate of nitrous oxide (N2O) emissions using observations and models from 1995 to 2008. High-frequency records of tropospheric N2O are available from measurements at Cape Grim, Tasmania; Cape Matatula, American Samoa; Ra
Externí odkaz:
https://doaj.org/article/4b8ef0e2cfcb4c7cbf2e7bbe0a6ec71e