Geoscientific Model Development

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The global chemistry transport model TM5: description and evaluation of the tropospheric chemistry version 3.0
Geoscientific Model Development - Tập 3 Số 2 - Trang 445-473
Vincent Huijnen, Jason Williams, M. van Weele, Twan van Noije, Maarten Krol, Frank Dentener, Arjo Segers, Sander Houweling, Wouter Peters, Jos de Laat, K. F. Boersma, P. Bergamaschi, P. van Velthoven, Philippe Le Sager, H. J. Eskes, F. Alkemade, R. Scheele, P. Nédélec, H.-W. Pätz
Abstract. We present a comprehensive description and benchmark evaluation of the tropospheric chemistry version of the global chemistry transport model TM5 (Tracer Model 5, version TM5-chem-v3.0). A full description is given concerning the photochemical mechanism, the interaction with aerosol, the treatment of the stratosphere, the wet and dry deposition parameterizations, and the applied ...... hiện toàn bộ
Discrete-Element bonded-particle Sea Ice model DESIgn, version 1.3a – model description and implementation
Geoscientific Model Development - Tập 9 Số 3 - Trang 1219-1241
Agnieszka Herman
Abstract. This paper presents theoretical foundations, numerical implementation and examples of application of the two-dimensional Discrete-Element bonded-particle Sea Ice model – DESIgn. In the model, sea ice is represented as an assemblage of objects of two types: disk-shaped "grains" and semi-elastic bonds connecting them. Grains move on the sea surface under the influence of forces fro...... hiện toàn bộ
GMD perspective: The quest to improve the evaluation of groundwater representation in continental- to global-scale models
Geoscientific Model Development - Tập 14 Số 12 - Trang 7545-7571
Tom Gleeson, Thorsten Wagener, Petra Döll, Samuel C. Zipper, Charles P. West, Yoshihide Wada, Richard G. Taylor, Bridget R. Scanlon, Rafael Rosolem, Shams Rahman, Nurudeen Oshinlaja, R. M. Maxwell, Min‐Hui Lo, Hyungjun Kim, Mary C. Hill, Andreas Hartmann, Graham E. Fogg, J. S. Famiglietti, Agnès Ducharne, Inge de Graaf, Mark Cuthbert, Laura E. Condon, Étienne Bresciani, Marc F. P. Bierkens
Abstract. Continental- to global-scale hydrologic and land surface models increasingly include representations of the groundwater system. Such large-scale models are essential for examining, communicating, and understanding the dynamic interactions between the Earth system above and below the land surface as well as the opportunities and limits of groundwater resources. We argue that both ...... hiện toàn bộ
A global carbon assimilation system using a modified ensemble Kalman filter
Geoscientific Model Development - Tập 8 Số 3 - Trang 805-816
Shaojun Zhang, Xunhua Zheng, Jing M. Chen, Zhi Chen, Bo Dan, Xiaobin Yi, Lu Wang, Guorong Wu
Abstract. A Global Carbon Assimilation System based on the ensemble Kalman filter (GCAS-EK) is developed for assimilating atmospheric CO2 data into an ecosystem model to simultaneously estimate the surface carbon fluxes and atmospheric CO2 distribution. This assimilation approach is similar to CarbonTracker, but with several new developments, including inclusion of atmospheric CO2 concentr...... hiện toàn bộ
Assimilating compact phase space retrievals (CPSRs): comparison with independent observations (MOZAIC in situ and IASI retrievals) and extension to assimilation of truncated retrieval profiles
Geoscientific Model Development - Tập 11 Số 9 - Trang 3727-3745
Arthur P. Mizzi, D. P. Edwards, J. G. Anderson
Abstract. Assimilation of atmospheric composition retrievals presents computational challenges due to their high data volume and often sparse information density. Assimilation of compact phase space retrievals (CPSRs) meets those challenges and offers a promising alternative to assimilation of raw retrievals at reduced computational cost (Mizzi et al., 2016). This paper compares analysis a...... hiện toàn bộ
Development of the Real-time On-road Emission (ROE v1.0) model for street-scale air quality modeling based on dynamic traffic big data
Geoscientific Model Development - Tập 13 Số 1 - Trang 23-40
Luolin Wu, Ming Chang, Xuemei Wang, Jian Hang, Jinpu Zhang, Liqing Wu, Min Shao
Abstract. Rapid urbanization in China has led to heavy traffic flows in street networks within cities, especially in eastern China, the economically developed region. This has increased the risk of exposure to vehicle-related pollutants. To evaluate the impact of vehicle emissions and provide an on-road emission inventory with higher spatiotemporal resolution for street-network air quality...... hiện toàn bộ
The Meteorology-Chemistry Interface Processor (MCIP) for the CMAQ modeling system: updates through MCIPv3.4.1
Geoscientific Model Development - Tập 3 Số 1 - Trang 243-256
Tanya L. Spero, Jonathan Pleim
Abstract. The Community Multiscale Air Quality (CMAQ) modeling system, a state-of-the-science regional air quality modeling system developed by the US Environmental Protection Agency, is being used for a variety of environmental modeling problems including regulatory applications, air quality forecasting, evaluation of emissions control strategies, process-level research, and interactions ...... hiện toàn bộ
Assimilating compact phase space retrievals of atmospheric composition with WRF-Chem/DART: a regional chemical transport/ensemble Kalman filter data assimilation system
Geoscientific Model Development - Tập 9 Số 3 - Trang 965-978
Arthur P. Mizzi, Avelino F. Arellano, D. P. Edwards, J. G. Anderson, Gabriele Pfister
Abstract. This paper introduces the Weather Research and Forecasting Model with chemistry/Data Assimilation Research Testbed (WRF-Chem/DART) chemical transport forecasting/data assimilation system together with the assimilation of compact phase space retrievals of satellite-derived atmospheric composition products. WRF-Chem is a state-of-the-art chemical transport model. DART is a flexible...... hiện toàn bộ
Global sensitivity and uncertainty analysis of an atmospheric chemistry transport model: the FRAME model (version 9.15.0) as a case study
Geoscientific Model Development - Tập 11 Số 4 - Trang 1653-1664
Ksenia Aleksankina, Mathew R. Heal, Anthony J. Dore, Marcel van Oijen, Stefan Reis
Abstract. Atmospheric chemistry transport models (ACTMs) are widely used to underpin policy decisions associated with the impact of potential changes in emissions on future pollutant concentrations and deposition. It is therefore essential to have a quantitative understanding of the uncertainty in model output arising from uncertainties in the input pollutant emissions. ACTMs incorporate c...... hiện toàn bộ
CAM-chem: description and evaluation of interactive atmospheric chemistry in the Community Earth System Model
Geoscientific Model Development - Tập 5 Số 2 - Trang 369-411
Jean‐François Lamarque, L. K. Emmons, Peter Hess, D. E. Kinnison, Simone Tilmes, F. Vitt, Colette L. Heald, Elisabeth A. Holland, P. H. Lauritzen, Jessica L. Neu, John J. Orlando, P. J. Rasch, Geoffrey S. Tyndall
Abstract. We discuss and evaluate the representation of atmospheric chemistry in the global Community Atmosphere Model (CAM) version 4, the atmospheric component of the Community Earth System Model (CESM). We present a variety of configurations for the representation of tropospheric and stratospheric chemistry, wet removal, and online and offline meteorology. Results from simulations illus...... hiện toàn bộ
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