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Showing 25801 to 25850 of 59105 works
Using radar observations to evaluate 3-D radar echo structure simulated by the Energy Exascale Earth System Model (E3SM…
Abstract. The Energy Exascale Earth System Model (E3SM) developed by the Department of Energy has a goal of addressing challenges in understanding the global water cycle. Success …
Evaluation of the transport matrix method for simulation of ocean biogeochemical tracers
Abstract. Conventional integration of Earth system and ocean models can accrue considerable computational expenses, particularly for marine biogeochemical applications. Offline nu…
Practice and philosophy of climate model tuning across six US modeling centers
Abstract. Model calibration (or tuning) is a necessary part of developing and testing coupled ocean–atmosphere climate models regardless of their main scientific purpose. There is…
Minimal CMIP Emulator (MCE v1.2): a new simplified method for probabilistic climate projections
Abstract. Climate model emulators have a crucial role in assessing warming levels of many emission scenarios from probabilistic climate projections based on new insights into Eart…
Applying a new integrated mass-flux adjustment filter in rapid update cycling of convective-scale data assimilation for…
Abstract. A new integrated mass-flux adjustment filter is introduced, which uses the analyzed integrated mass-flux divergence field to correct the analyzed wind field. The filter …
Novel estimation of aerosol processes with particle size distribution measurements: a case study with the TOMAS algorit…
Abstract. Atmospheric aerosol microphysical processes are a significant source of uncertainty in predicting climate change. Specifically, aerosol nucleation, emissions, and growth…
An evaluation of clouds and radiation in a large-scale atmospheric model using a cloud vertical structure classification
Abstract. We revisit the concept of the cloud vertical structure (CVS) classes we have previously employed to classify the planet's cloudiness (Oreopoulos et al., 2017). The CVS c…
An enhanced emission module for the PALM model system 23.10 with application for PM <sub>10</sub> …
Abstract. This article presents an enhanced emission module for the PALM model system, which collects discrete emission sources from different emission sectors and assigns them dy…
A dynamic informed deep-learning method for future estimation of laboratory stick–slip
Abstract. Fault activity modelling is vital for earthquake monitoring, risk management, and early warning. Studies on laboratory earthquakes are instrumental for modelling natural…
Software sustainability of global impact models
Abstract. Research software for simulating Earth processes enables the estimation of past, current, and future world states and guides policy. However, this modelling software is …
Modeling collision–coalescence in particle microphysics: numerical convergence of mean and variance of precipitation in…
Abstract. Numerical convergence of the collision–coalescence algorithm used in Lagrangian particle-based microphysics is studied in 2D simulations of an isolated cumulus congestus…
The ABC model: a non-hydrostatic toy model for use in convective-scale data assimilation investigations
Abstract. In developing methods for convective-scale data assimilation (DA), it is necessary to consider the full range of motions governed by the compressible Navier–Stokes equat…
OZO v.1.0: software for solving a generalised omega equation and the Zwack–Okossi height tendency equation using WRF mo…
Abstract. A software package (OZO, Omega–Zwack–Okossi) was developed to diagnose the processes that affect vertical motions and geopotential height tendencies in weather systems s…
Optimizing physical scheme selection in RegCM5 for improved air–sea fluxes over Southeast Asia
Abstract. This study evaluates the performance of RegCM5 in simulating air–sea fluxes over Southeast Asia through a set of 36 sensitivity experiments testing different physical sc…
A versatile method for computing optimized snow albedo from spectrally fixed radiative variables: VALHALLA v1.0
Abstract. In climate models, the snow albedo scheme generally calculates only a narrowband or broadband albedo, which leads to significant uncertainties. Here, we present the Vers…
Comparison of sea ice kinematics at different resolutions modeled with a grid hierarchy in the Community Earth System M…
Abstract. High-resolution sea ice modeling is becoming widely available for both operational forecasts and climate studies. In traditional Eulerian grid-based models, small-scale …
Multi-grid algorithm for passive tracer transport in the NEMO ocean circulation model: a case study with the NEMO OGCM …
Abstract. Ocean biogeochemical models are key tools for both scientific and operational applications. Nevertheless the cost of these models is often expensive because of the large…
Introducing a new floodplain scheme in ORCHIDEE (version 7885): validation and evaluation over the Pantanal wetlands
Abstract. Adapting and improving the hydrological processes in land surface models are crucial given the increase in the resolution of the climate models to correctly represent th…
Enhancing the accessibility of unified modeling systems: GFDL System for High-resolution prediction on Earth-to-Local D…
Abstract. Container technology provides a pathway to facilitate easy access to unified modeling systems and opens opportunities for collaborative model development and interactive…
Superparameterised cloud effects in the EMAC general circulation model (v2.50) – influences of model configuration
Abstract. A new module has been implemented in the fifth generation of the ECMWF/Hamburg (ECHAM5)/Modular Earth Submodel System (MESSy) Atmospheric Chemistry (EMAC) model that sim…
Simulations over South Asia using the Weather Research and Forecasting model with Chemistry (WRF-Chem): chemistry evalu…
Abstract. This study presents annual simulations of tropospheric ozone and related species made for the first time using the WRF-Chem model over South Asia for the year 2008. The …
The mid-Pliocene climate simulated by FGOALS-g2
Abstract. Within the framework of Pliocene Model Intercomparison Project (PlioMIP), the mid-Pliocene warm period (mPWP – 3.264–3.025 Ma BP) climate simulated by the Flexible Globa…
Glacial–interglacial changes in H <sub>2</sub> <sup>18</sup> …
Abstract. In this study we present the first results of a new isotope-enabled general circulation model set-up. The model consists of the fully coupled ECHAM5/MPI-OM atmosphere–oc…
The Lagrangian particle dispersion model FLEXPART version 10.4
Abstract. The Lagrangian particle dispersion model FLEXPART in its original version in the mid-1990s was designed for calculating the long-range and mesoscale dispersion of hazard…
Coupled atmosphere-wildland fire modeling with WRF 3.3 and SFIRE 2011
Abstract. We describe the physical model, numerical algorithms, and software structure of a model consisting of the Weather Research and Forecasting (WRF) model, coupled with the …
NorCPM1 and its contribution to CMIP6 DCPP
Abstract. The Norwegian Climate Prediction Model version 1 (NorCPM1) is a new research tool for performing climate reanalyses and seasonal-to-decadal climate predictions. It combi…
A prognostic pollen emissions model for climate models (PECM1.0)
Abstract. We develop a prognostic model called Pollen Emissions for Climate Models (PECM) for use within regional and global climate models to simulate pollen counts over the seas…
Simulating human impacts on global water resources using VIC-5
Abstract. Questions related to historical and future water resources and scarcity have been addressed by several macroscale hydrological models. One of these models is the Variabl…
GNNWR: an open-source package of spatiotemporal intelligent regression methods for modeling spatial and temporal nonsta…
Abstract. Spatiotemporal regression is a crucial method in geography for discerning spatiotemporal nonstationarity in geographical relationships and has found widespread applicati…
MOMBA 1.1 – a high-resolution Baltic Sea configuration of GFDL's Modular Ocean Model
Abstract. We present a new coupled ocean-circulation–ice model configuration of the Baltic Sea. The model features, contrary to most existing configurations, a high horizontal res…
An evaluation of the LLC4320 global-ocean simulation based on the submesoscale structure of modeled sea surface tempera…
Abstract. We have assembled 2 851 702 nearly cloud-free cutout images (sized 144 km × 144 km) of sea surface temperature (SST) data from the entire 2012–2020 Level-2 Visible Infra…
Evaluation of the WRF lake module (v1.0) and its improvements at a deep reservoir
Abstract. Large lakes and reservoirs play important roles in modulating regional hydrological cycles and climate; however, their representations in coupled models remain uncertain…
The statistical emulators of GGCMI phase 2: responses of year-to-year variation of crop yield to CO …
Abstract. Understanding the impact of climate change on year-to-year variation of crop yield is critical to global food stability and security. While crop model emulators are beli…
Concurrent calculation of radiative transfer in the atmospheric simulation in ECHAM-6.3.05p2
Abstract. The scalability of the atmospheric model ECHAM6 at low resolution, as used in palaeoclimate simulations, suffers from the limited number of grid points. As a cons…
Including vegetation dynamics in an atmospheric chemistry-enabled general circulation model: linking LPJ-GUESS (v4.0) w…
Abstract. Central to the development of Earth system models (ESMs) has been the coupling of previously separate model types, such as ocean, atmospheric, and vegetation models, to …
Nudging allows direct evaluation of coupled climate models with in situ observations: a case study from the MOSAiC expe…
Abstract. Comparing the output of general circulation models to observations is essential for assessing and improving the quality of models. While numerical weather prediction mod…
A local terrain smoothing approach for stabilizing microscale and high-resolution mesoscale simulations: a case study…
Abstract. High-resolution simulations at both mesoscale and microscale increasingly rely on detailed terrain datasets, but terrain-following coordinate models can suffer from nume…
Towards the assimilation of atmospheric CO <sub>2</sub> concentration data in …
Abstract. A comprehensive understanding and accurate modelling of the terrestrial carbon cycle are of paramount importance to improve projections of the global carbon cycle and mo…
A non-linear Granger-causality framework to investigate climate–vegetation dynamics
Abstract. Satellite Earth observation has led to the creation of global climate data records of many important environmental and climatic variables. These come in the form of mult…
The Earth system model CLIMBER-X v1.0 – Part 1: Climate model description and validation
Abstract. The newly developed fast Earth system model CLIMBER-X is presented. The climate component of CLIMBER-X consists of a 2.5-D semi-empirical statistical–dynamical atmospher…
Forecasting tropical cyclone tracks in the northwestern Pacific based on a deep-learning model
Abstract. Tropical cyclones (TCs) are one of the most severe meteorological disasters, making rapid and accurate track forecasts crucial for disaster prevention and mitigation. Be…
Representativeness errors in comparing chemistry transport and chemistry climate models with satellite UV–Vis troposph…
Abstract. Ultraviolet–visible (UV–Vis) satellite retrievals of trace gas columns of nitrogen dioxide (NO2), sulfur dioxide (SO2), and formaldehyde (HCHO) are useful to test and im…
The Flexible Ocean and Climate Infrastructure version 1 (FOCI1): mean state and variability
Abstract. A new Earth system model, the Flexible Ocean and Climate Infrastructure (FOCI), is introduced. A first version of FOCI consists of a global high-top atmosphere (European…
StreamFlow 1.0: an extension to the spatially distributed snow model Alpine3D for hydrological modelling and determinis…
Abstract. Climate change is expected to strongly impact the hydrological and thermal regimes of Alpine rivers within the coming decades. In this context, the development of hydrol…
Downscaling of air pollutants in Europe using uEMEP_v6
Abstract. The air quality downscaling model uEMEP and its combination with the EMEP MSC-W chemical transport model are used here to achieve high-resolution air quality modelling a…
Assessment of the sea surface temperature diurnal cycle in CNRM-CM6-1 based on its 1D coupled configuration
Abstract. A single-column version of the CNRM-CM6-1 global climate model has been developed to ease development and validation of the boundary layer physics and air–sea coupling i…
A joint global carbon inversion system using both CO <sub>2</sub> and …
Abstract. Observations of 13CO2 at 73 sites compiled in the GLOBALVIEW database are used for an additional constraint in a global atmospheric inversion of the surface CO2 flux usi…
Lossy checkpoint compression in full waveform inversion: a case study with ZFPv0.5.5 and the overthrust model
Abstract. This paper proposes a new method that combines checkpointing methods with error-controlled lossy compression for large-scale high-performance full-waveform inversion (FW…
The Canadian Hydrological Model (CHM) v1.0: a multi-scale, multi-extent, variable-complexity hydrological model – desig…
Abstract. Despite debate in the rainfall–runoff hydrology literature about the merits of physics-based and spatially distributed models, substantial work in cold-region hydrology …
MultilayerPy (v1.0): a Python-based framework for building, running and optimising kinetic multi-layer models of aeroso…
Abstract. Kinetic multi-layer models of aerosols and films have become the state-of-the-art method of describing complex aerosol processes at the particle and film level. We prese…
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