Zobrazeno 1 - 10 of 62 pro vyhledávání: '"Fung, IY"'
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REPLY TO LI ET AL: Late 20th-century drought in northern China reflects influence of global warming, aerosols, and natural variability
Autor: Day, JA, Fung, IY, Liu, W
Publikováno v: Day, JA; Fung, IY; & Liu, W. (2018). REPLY TO LI ET AL: Late 20th-century drought in northern China reflects influence of global warming, aerosols, and natural variability. Proceedings of the National Academy of Sciences of the United States of America, 115(36), E8329. doi: 10.1073/pnas.1812309115. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/44z2d58g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::0a36e891065959792e73daf3dd400ca3
http://www.escholarship.org/uc/item/44z2d58g
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2
Assimilation of satellite NO2 observations at high spatial resolution using OSSEs
Autor: Liu, X, Mizzi, AP, Anderson, JL, Fung, IY, Cohen, RC
Publikováno v: Liu, X; Mizzi, AP; Anderson, JL; Fung, IY; & Cohen, RC. (2017). Assimilation of satellite NO2 observations at high spatial resolution using OSSEs. Atmospheric Chemistry and Physics, 17(11), 7067-7081. doi: 10.5194/acp-17-7067-2017. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/8g83k5dv
© Author(s) 2017. Observations of trace gases from space-based instruments offer the opportunity to constrain chemical and weather forecast and reanalysis models using the tools of data assimilation. In this study, observing system simulation experi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::2d720c44971f409515b92b048b7c14f7
http://www.escholarship.org/uc/item/8g83k5dv
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3
Sensitivity of transpiration to subsurface properties: Exploration with a 1-D model
Autor: Vrettas, MD, Fung, IY
Publikováno v: Journal of Advances in Modeling Earth Systems, vol 9, iss 2
Vrettas, MD; & Fung, IY. (2017). Sensitivity of transpiration to subsurface properties: Exploration with a 1-D model. Journal of Advances in Modeling Earth Systems, 9(2), 1030-1045. doi: 10.1002/2016MS000901. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/1hj34790
© 2017. The Authors. The amount of moisture transpired by vegetation is critically tied to the moisture supply accessible to the root zone. In a Mediterranean climate, integrated evapotranspiration (ET) is typically greater in the dry summer when th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0631512c409dd29b37c5302123229ac6
https://escholarship.org/uc/item/1hj34790
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4
Role of seasonal transitions and westerly jets in East Asian paleoclimate
Autor: Chiang, JCH, Fung, IY, Wu, CH, Cai, Y, Edman, JP, Liu, Y, Day, JA, Bhattacharya, T, Mondal, Y, Labrousse, CA
Publikováno v: Chiang, JCH; Fung, IY; Wu, CH; Cai, Y; Edman, JP; Liu, Y; et al.(2015). Role of seasonal transitions and westerly jets in East Asian paleoclimate. Quaternary Science Reviews, 108, 111-129. doi: 10.1016/j.quascirev.2014.11.009. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/1gz5g5j1
© 2014 Elsevier Ltd. The summer rainfall climate of East Asia underwent large and abrupt changes during past climates, in response to precessional forcing, glacial-interglacial cycles as well as abrupt changes to the North Atlantic during the Last G
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::086c6c18fcb0c289035961426d892eaa
https://escholarship.org/uc/item/1gz5g5j1
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5
Remote vegetation feedbacks and the mid-Holocene green Sahara
Autor: Swann, ALS, Fung, IY, Liu, Y, Chiang, JCH
Publikováno v: Journal of Climate, vol 27, iss 13
Swann, ALS; Fung, IY; Liu, Y; & Chiang, JCH. (2014). Remote vegetation feedbacks and the mid-Holocene green Sahara. Journal of Climate, 27(13), 4857-4870. doi: 10.1175/JCLI-D-13-00690.1. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/4vx9g1bz
In the mid-Holocene, the climate of northern Africa was characterized by wetter conditions than present, as evidenced by higher paleolake levels and pollen assemblages of savannah vegetation suggesting a wetter, greener Sahara. Previous modeling stud
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::959d97a347f2c17d8d8d2c43b431df04
https://escholarship.org/uc/item/4vx9g1bz
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6
Systematic assessment of terrestrial biogeochemistry in coupled climate-carbon models
Autor: Randerson, JT, Hoffman, FM, Thornton, PE, Mahowald, NM, Lindsay, K, Lee, YH, Nevison, CD, Doney, SC, Bonan, G, Stöckli, R, Covey, C, Running, SW, Fung, IY
Publikováno v: Randerson, JT; Hoffman, FM; Thornton, PE; Mahowald, NM; Lindsay, K; Lee, YH; et al.(2009). Systematic assessment of terrestrial biogeochemistry in coupled climate-carbon models. Global Change Biology, 15(10), 2462-2484. doi: 10.1111/j.1365-2486.2009.01912.x. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/9hs5m90v
With representation of the global carbon cycle becoming increasingly complex in climate models, it is important to develop ways to quantitatively evaluate model performance against in situ and remote sensing observations. Here we present a systematic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::3c02b1c96e04373665beaffb1d0cffbd
http://www.escholarship.org/uc/item/9hs5m90v
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7
TransCom 3 inversion intercomparison: Impact of transport model errors on the interannual variability of regional CO2 fluxes, 1988-2003
Autor: Peylin, Philippe, Baker, Df, Law, Rm, Gurney, Kr, Rayner, P., Denning, As, Bousquet, P., Bruhwiler, L., Chen, Yh, Ciais, P., Fung, Iy, Heimann, M., John, J., Maki, T., Maksyutov, S., Masarie, K., Prather, M., Pak, B., Taguchi, S., Zhu, Z.
Publikováno v: Global Biogeochemical Cycles
Global Biogeochemical Cycles, American Geophysical Union, 2006, pp.GB1002
International audience; Monthly CO2 fluxes are estimated across 1988-2003 for 22 emission regions using data from 78 CO2 measurement sites. The same inversion (method, priors, data) is performed with 13 different atmospheric transport models, and the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::615154fc020e814295d0af31ed4ca39e
https://hal-bioemco.ccsd.cnrs.fr/bioemco-00175977
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8
Transcom 3 inversion intercomparison: Model mean results for the estimation of seasonal carbon sources and sinks
Autor: Peylin, Philippe, Gurney, Kr, Law, Rm, Denning, As, Rayner, Pj, Pak, Bc, Baker, D., Bousquet, P., Bruhwiler, L., Chen, Yh, Ciais, P., Fung, Iy, Heimann, M., John, J., Maki, T., Maksyutov, S., Prather, M., Taguchi, S.
Publikováno v: Global Biogeochemical Cycles
Global Biogeochemical Cycles, American Geophysical Union, 2004, pp.GB1010
International audience; The TransCom 3 experiment was begun to explore the estimation of carbon sources and sinks via the inversion of simulated tracer transport. We build upon previous TransCom work by presenting the seasonal inverse results which p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0e34bb74415e874a900426a40af7a028
https://hal-bioemco.ccsd.cnrs.fr/bioemco-00175985
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9
TransCom 3 CO2 inversion intercomparison: 1. Annual mean control results and sensitivity to transport and prior flux information
Autor: Peylin, Philippe, Gurney, Kr, Law, Rm, Denning, As, Rayner, Pj, Baker, D., Bousquet, P., Bruhwiler, L., Chen, Yh, Ciais, P., Fan, Sm, Fung, Iy, Gloor, M., Heimann, M., Higuchi, K., John, J., Kowalczyk, E., Maki, T., Maksyutov, S., Prather, M., Pak, Bc, Sarmiento, J., Taguchi, S., Takahashi, T., Yuen, Cw
Publikováno v: Tellus B
Tellus B, Co-Action Publishing/Blackwell, 2003, pp.555-579
Tellus Series B Chemical and Physical Meteorology 2 (55), 555-579. (2003)
International audience; Spatial and temporal variations of atmospheric CO2 concentrations contain information about surface sources and sinks, which can be quantitatively interpreted through tracer transport inversion. Previous CO2 inversion calculat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ff37f21c44af6ad1cc0b29265a8cfa59
https://hal-bioemco.ccsd.cnrs.fr/bioemco-00175987
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10
Towards robust regional estimates of CO2sources and sinks using atmospheric transport models
Autor: Gurney, KR, Law, RM, Denning, AS, Rayner, PJ, Baker, D, Bousquet, P, Bruhwiler, L, Chen, YH, Clals, P, Fan, S, Fung, IY, Gloor, M, Heimann, M, Higuchi, K, John, J, Maki, T, Maksyutov, S, Masarie, K, Peylin, P, Prather, M, Pak, BC, Randerson, J, Sarmiento, J, Taguchi, S, Takahashi, T, Yuen, CW
Publikováno v: Gurney, KR; Law, RM; Denning, AS; Rayner, PJ; Baker, D; Bousquet, P; et al.(2002). Towards robust regional estimates of CO2sources and sinks using atmospheric transport models. Nature, 415(6872), 626-630. doi: 10.1038/415626a. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/23k1124x
Information about regional carbon sources and sinks can be derived from variations in observed atmospheric CO2concentrations via inverse modelling with atmospheric tracer transport models. A consensus has not yet been reached regarding the size and d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______325::83cc0038451712141fba67127403a9d7
http://www.escholarship.org/uc/item/23k1124x
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