Search Results - "Parazoo, N C"

Assessing fossil fuel CO2 emissions in California using atmospheric observations and models by Graven, H, Fischer, M L, Lueker, T, Jeong, S, Guilderson, T P, Keeling, R F, Bambha, R, Brophy, K, Callahan, W, Cui, X, Frankenberg, C, Gurney, K R, LaFranchi, B W, Lehman, S J, Michelsen, H, Miller, J B, Newman, S, Paplawsky, W, Parazoo, N C, Sloop, C, Walker, S J

“…Analysis systems incorporating atmospheric observations could provide a powerful tool for validating fossil fuel CO2 (ffCO2) emissions reported for individual…”
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Moist synoptic transport of CO2 along the mid-latitude storm track by Parazoo, N. C., Denning, A. S., Berry, J. A., Wolf, A., Randall, D. A., Kawa, S. R., Pauluis, O., Doney, S. C.

“…Atmospheric mixing ratios of CO2 are strongly seasonal in the Arctic due to mid‐latitude transport. Here we analyze the seasonal influence of moist synoptic…”
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CO2 flux estimation errors associated with moist atmospheric processes by Parazoo, N C, Denning, A S, Kawa, S R, Pawson, S, Lokupitiya, R

“…Vertical transport by moist sub-grid scale processes such as deep convection is a well-known source of uncertainty in CO2 source/sink inversion. However, a…”
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Forest productivity recovery or collapse? Model-data integration insights on drought-induced tipping points by Au, J, Bloom, A A, Parazoo, N C, Deans, R M, Wong, C Y S, Houlton, B Z, Magney, T S

“…More frequent and severe droughts are driving increased forest mortality around the globe. We urgently need to describe and predict how drought affects forest…”
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Tundra photosynthesis captured by satellite‐observed solar‐induced chlorophyll fluorescence by Luus, K. A., Commane, R., Parazoo, N. C., Benmergui, J., Euskirchen, E. S., Frankenberg, C., Joiner, J., Lindaas, J., Miller, C. E., Oechel, W. C., Zona, D., Wofsy, S., Lin, J. C.

“…Accurately quantifying the timing and magnitude of respiration and photosynthesis by high‐latitude ecosystems is important for understanding how a warming…”
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Contrasting Regional Carbon Cycle Responses to Seasonal Climate Anomalies Across the East‐West Divide of Temperate North America by Byrne, B., Liu, J., Bloom, A. A., Bowman, K. W., Butterfield, Z., Joiner, J., Keenan, T. F., Keppel‐Aleks, G., Parazoo, N. C., Yin, Y.

“…Across temperate North America, interannual variability (IAV) in gross primary production (GPP) and net ecosystem exchange (NEE) and their relationship with…”
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A framework for harmonizing multiple satellite instruments to generate a long-term global high spatial-resolution solar-induced chlorophyll fluorescence (SIF) by Wen, J., Köhler, P., Duveiller, G., Parazoo, N.C., Magney, T.S., Hooker, G., Yu, L., Chang, C.Y., Sun, Y.

“…Several decade-long satellite retrievals of solar-induced chlorophyll fluorescence (SIF) have become available during the past few years, but understanding the…”
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The covariation of Northern Hemisphere summertime CO2 with surface temperature in boreal regions by D. Wunch, P. O. Wennberg, J. Messerschmidt, N. C. Parazoo, G. C. Toon, N. M. Deutscher, G. Keppel-Aleks, C. M. Roehl, J. T. Randerson, T. Warneke, J. Notholt

“…We observe significant interannual variability in the strength of the seasonal cycle drawdown in northern midlatitudes from measurements of CO2 made by the…”
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Global and Brazilian Carbon Response to El Niño Modoki 2011–2010 by Bowman, K. W., Liu, J., Bloom, A. A., Parazoo, N. C., Lee, M., Jiang, Z., Menemenlis, D., Gierach, M. M., Collatz, G. J., Gurney, K. R., Wunch, D.

“…The El Niño Modoki in 2010 led to historic droughts in Brazil. In order to understand its impact on carbon cycle variability, we derive the 2011–2010 annual…”
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Improved Constraints on Northern Extratropical CO2 Fluxes Obtained by Combining Surface‐Based and Space‐Based Atmospheric CO2 Measurements by Byrne, B., Liu, J., Lee, M., Baker, I., Bowman, K. W., Deutscher, N. M., Feist, D. G., Griffith, D. W. T., Iraci, L. T., Kiel, M., Kimball, J. S., Miller, C. E., Morino, I., Parazoo, N. C., Petri, C., Roehl, C. M., Sha, M. K., Strong, K., Velazco, V. A., Wennberg, P. O., Wunch, D.

“…Top‐down estimates of CO2 fluxes are typically constrained by either surface‐based or space‐based CO2 observations. Both of these measurement types have…”
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Mechanisms for synoptic variations of atmospheric CO2 in North America, South America and Europe by I. T. Baker, R. S. Lokupitiya, K. D. Corbin, S. R. Kawa, A. S. Denning, N. C. Parazoo

“…Synoptic variations of atmospheric CO2 produced by interactions between weather and surface fluxes are investigated mechanistically and quantitatively in…”
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Assessing temporal clear-sky errors in assimilation of satellite CO 2 retrievals using a global transport model by Corbin, K. D., Denning, A. S., Parazoo, N. C.

“…The Orbiting Carbon Observatory (OCO) and the Greenhouse gases Observing SATellite (GOSAT) will make global observations of the total column dry-air mole…”
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Assessing temporal clear-sky errors in assimilation of satellite CO2 retrievals using a global transport model by N. C. Parazoo, A. S. Denning, K. D. Corbin

“…The Orbiting Carbon Observatory (OCO) and the Greenhouse gases Observing SATellite (GOSAT) will make global observations of the total column dry-air mole…”
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Global satellite-driven estimates of heterotrophic respiration by Konings, Alexandra G, Bloom, A. Anthony, Liu, Junjie, Parazoo, Nicholas C, Schimel, David S, Bowman, Kevin W

“…While heterotrophic respiration (Rh) makes up about a quarter of gross global terrestrial carbon fluxes, it remains among the least-observed carbon fluxes,…”
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Improved process representation of leaf phenology significantly shifts climate sensitivity of ecosystem carbon balance by Norton, Alexander J, Bloom, A. Anthony, Parazoo, Nicholas C, Levine, Paul A, Ma, Shuang, Braghiere, Renato K, Smallman, T. Luke

“…Terrestrial carbon cycle models are routinely used to determine the response of the land carbon sink under expected future climate change, yet these…”
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Optimal model complexity for terrestrial carbon cycle prediction by Famiglietti, Caroline A, Smallman, T. Luke, Levine, Paul A, Flack-Prain, Sophie, Quetin, Gregory R, Meyer, Victoria, Parazoo, Nicholas C, Stettz, Stephanie G, Yang, Yan, Bonal, Damien, Bloom, A. Anthony, Williams, Mathew, Konings, Alexandra G

“…The terrestrial carbon cycle plays a critical role in modulating the interactions of climate with the Earth system, but different models often make vastly…”
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Lagged effects regulate the inter-annual variability of the tropical carbon balance by Bloom, A. Anthony, Bowman, Kevin W, Liu, Junjie, Konings, Alexandra G, Worden, John R, Parazoo, Nicholas C, Meyer, Victoria, Reager, John T, Worden, Helen M, Jiang, Zhe, Quetin, Gregory R, Smallman, T. Luke, Exbrayat, Jean-François, Yin, Yi, Saatchi, Sassan S, Williams, Mathew, Schimel, David S

“…Inter-annual variations in the tropical land carbon (C) balance are a dominant component of the global atmospheric CO2 growth rate. Currently, the lack of…”
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The impact of a simple representation of non-structural carbohydrates on the simulated response of tropical forests to drought by Jones, Simon, Rowland, Lucy, Cox, Peter, Hemming, Deborah, Wiltshire, Andy, Williams, Karina, Parazoo, Nicholas C, Liu, Junjie, da Costa, Antonio C. L, Meir, Patrick, Mencuccini, Maurizio, Harper, Anna B

“…Accurately representing the response of ecosystems to environmental change in land surface models (LSMs) is crucial to making accurate predictions of future…”
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A model for urban biogenic CO2 fluxes: Solar-Induced Fluorescence for Modeling Urban biogenic Fluxes (SMUrF v1) by Wu, Dien, Lin, John C, Duarte, Henrique F, Yadav, Vineet, Parazoo, Nicholas C, Oda, Tomohiro, Kort, Eric A

“…When estimating fossil fuel carbon dioxide (FFCO2) emissions from observed CO2 concentrations, the accuracy can be hampered by biogenic carbon exchanges during…”
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A mass-weighted isentropic coordinate for mapping chemical tracers and computing atmospheric inventories by Jin, Yuming, Keeling, Ralph F, Morgan, Eric J, Ray, Eric, Parazoo, Nicholas C, Stephens, Britton B

“…We introduce a transformed isentropic coordinate Mθe, defined as the dry air mass under a given equivalent potential temperature surface (θe) within a…”
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