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Showing 26701 to 26750 of 59105 works
LSCE-FFNN-v1: a two-step neural network model for the reconstruction of surface ocean <i>p</i> …
Abstract. A new feed-forward neural network (FFNN) model is presented to reconstruct surface ocean partial pressure of carbon dioxide (pCO2) over the global ocean. The model consi…
Threshold atmospheric electric fields for initiating relativistic runaway electron avalanches: theoretical estimates an…
Abstract. We examine the threshold atmospheric electric field (Eth) required to initiate a runawayavalanche in Earth's atmosphere. We compare the traditional, thirty-year-old theo…
Better calibration of cloud parameterizations and subgrid effects increases the fidelity of the E3SM Atmosphere Model v…
Abstract. Realistic simulation of the Earth's mean-state climate remains a major challenge, and yet it is crucial for predicting the climate system in transition. Deficiencies in …
Evaluating a reservoir parametrization in the vector-based global routing model mizuRoute (v2.0.1) for Earth system mod…
Abstract. Human-controlled reservoirs have a large influence on the global water cycle. While global hydrological models use generic parameterizations to model dam operations, the…
A wave-resolving two-dimensional vertical Lagrangian approach to model microplastic transport in nearshore waters based…
Abstract. Potentially acting as a source or a sink for plastic pollution to the open ocean, nearshore waters remain a challenging context for predicting the transport and depositi…
The Modular Arbitrary-Order Ocean-Atmosphere Model: MAOOAM v1.0
Abstract. This paper describes a reduced-order quasi-geostrophic coupled ocean–atmosphere model that allows for an arbitrary number of atmospheric and oceanic modes to be retained…
Aerosol–radiation interaction modelling using online coupling between the WRF 3.7.1 meteorological model and the CHIMER…
Abstract. The presence of airborne aerosols affects the meteorology as it induces a perturbation in the radiation budget, the number of cloud condensation nuclei and the cloud mic…
Explicit stochastic advection algorithms for the regional-scale particle-resolved atmospheric aerosol model WRF-PartMC …
Abstract. This paper presents the development of a stochastic particle method to simulate advection in regional-scale models with a particle-resolving aerosol representation. The …
Evaluating the impact of task aggregation in workflows with shared resource environments: use case for the MONARCH appl…
Abstract. High Performance Computing (HPC) is commonly employed to run high-impact Earth System Model (ESM) simulations, such as those for climate change. However, running workflo…
MESSAGEix-GLOBIOM nexus module: integrating water sector and climate impacts
Abstract. The integrated assessment model (IAM) MESSAGEix-GLOBIOM developed by IIASA is widely used to analyze global change and socioeconomic development scenarios within energy …
SymPKF (v1.0): a symbolic and computational toolbox for the design of parametric Kalman filter dynamics
Abstract. Recent research in data assimilation has led to the introduction of the parametric Kalman filter (PKF): an implementation of the Kalman filter, whereby the covariance ma…
Actionable reporting of CPU-GPU performance comparisons: insights from a CLUBB case study
Abstract. Graphics Processing Units (GPUs) are becoming increasingly central to high-performance computing (HPC), but fair comparison with central processing units (CPUs) remains …
ClimateNet: an expert-labeled open dataset and deep learning architecture for enabling high-precision analyses of extre…
Abstract. Identifying, detecting, and localizing extreme weather events is a crucial first step in understanding how they may vary under different climate change scenarios. Patter…
The Polar Vegetation Photosynthesis and Respiration Model: a parsimonious, satellite-data-driven model of high-latitud…
Abstract. We introduce the Polar Vegetation Photosynthesis and Respiration Model (PolarVPRM), a remote-sensing-based approach for generating accurate, high-resolution (≥ 1 km2, 3 …
Development of a parameterization of black carbon aging for use in general circulation models
Abstract. A parameterization of black carbon (BC) aging in the atmosphere is developed for use in general circulation models (GCMs) that separately treat hydrophobic BC and hydrop…
Development of an adjoint model of GRAPES–CUACE and its application in tracking influential haze source areas in north…
Abstract. The aerosol adjoint module of the atmospheric chemical modeling system GRAPES–CUACE (Global–Regional Assimilation and Prediction System coupled with the CMA Unified Atmo…
INFERNO: a fire and emissions scheme for the UK Met Office's Unified Model
Abstract. Warm and dry climatological conditions favour the occurrence of forest fires. These fires then become a significant emission source to the atmosphere. Despite this globa…
The SPRINTARS version 3.80/4D-Var data assimilation system: development and inversion experiments based on the observin…
Abstract. We present an aerosol data assimilation system based on a global aerosol climate model (SPRINTARS – Spectral Radiation-Transport Model for Aerosol Species) and a four-di…
CAM6 simulation of mean and extreme precipitation over Asia: sensitivity to upgraded physical parameterizations and hig…
Abstract. The Community Atmosphere Model version 6 (CAM6), released in 2018 as part of the Community Earth System Model version 2 (CESM2), is a major upgrade over the previous CAM…
Recalibration of a three-dimensional water quality model with a newly developed autocalibration toolkit (EFDC-ACT v1.0.…
Abstract. Autocalibration techniques have the potential to enhance the efficiency and accuracy of intricate process-based hydrodynamic and water quality models. In this study, we …
TheDiaTo (v1.0) – a new diagnostic tool for water, energy and entropy budgets in climate models
Abstract. This work presents the Thermodynamic Diagnostic Tool (TheDiaTo), a novel diagnostic tool for investigating the thermodynamics of climate systems with a wide range of app…
TROLL 4.0: representing water and carbon fluxes, leaf phenology, and intraspecific trait variation in a mixed-species i…
Abstract. TROLL 4.0 is an individual-based forest dynamics model that is capable of jointly simulating forest structure, diversity, and ecosystem functioning, including the ecosys…
JULES-CN: a coupled terrestrial carbon–nitrogen scheme (JULES vn5.1)
Abstract. Understanding future changes in the terrestrial carbon cycle is important for reliable projections of climate change and impacts on ecosystems. It is well known that nit…
Portable multi- and many-core performance for finite-difference or finite-element codes – application to the free-surfa…
Abstract. We present an approach which we call PSyKAl that is designed to achieve portable performance for parallel finite-difference, finite-volume, and finite-element earth-syst…
A fast and efficient MATLAB-based MPM solver: fMPMM-solver v1.1
Abstract. We present an efficient MATLAB-based implementation of the material point method (MPM) and its most recent variants. MPM has gained popularity over the last decade, espe…
Accounting for model error in air quality forecasts: an application of 4DEnVar to the assimilation of atmospheric compo…
Abstract. Model errors play a significant role in air quality forecasts. Accounting for them in the data assimilation (DA) procedures is decisive to obtain improved forecasts. We …
China Wildfire Emission Dataset (ChinaWED v1) for the period 2012–2022
Abstract. During the past decades, wildfires have undergone rapid changes while both the extent of fire activities and the resulting greenhouse gas (GHG) emissions from wildfires …
Accounting for forest management in the estimation of forest carbon balance using the dynamic vegetation model LPJ-GUES…
Abstract. Global forests are the main component of the land carbon sink, which acts as a partial buffer to CO2 emissions into the atmosphere. Dynamic vegetation models offer an ap…
Introducing the VIIRS-based Fire Emission Inventory version 0 (VFEIv0)
Abstract. A new open biomass burning inventory is presented that relies on the fire radiative power data from the Visible Infrared Imaging Radiometer Suite (VIIRS) on board the Su…
DEUCE v1.0: a neural network for probabilistic precipitation nowcasting with aleatoric and epistemic uncertainties
Abstract. Precipitation nowcasting (forecasting locally for 0–6 h) serves both public security and industries, facilitating the mitigation of losses incurred due to, e.g., flash f…
OceanMesh2D 1.0: MATLAB-based software for two-dimensional unstructured mesh generation in coastal ocean modeling
Abstract. OceanMesh2D is a set of MATLAB functions with preprocessing and post-processing utilities to generate two-dimensional (2-D) unstructured meshes for coastal ocean circula…
A lumped species approach for the simulation of secondary organic aerosol production from intermediate-volatility organ…
Abstract. Secondary organic aerosol (SOA) is formed in the atmosphere through the oxidation and condensation of organic compounds. Intermediate-volatility compounds (IVOCs), compo…
The implementation of NEMS GFS Aerosol Component (NGAC) Version 1.0 for global dust forecasting at NOAA/NCEP
Abstract. The NOAA National Centers for Environmental Prediction (NCEP) implemented the NOAA Environmental Modeling System (NEMS) Global Forecast System (GFS) Aerosol Component (N…
Implementing a dynamic representation of fire and harvest including subgrid-scale heterogeneity in the tile-based land …
Abstract. Canada's forests play a critical role in the global carbon (C) cycle and are responding to unprecedented climate change as well as ongoing natural and anthropogenic dist…
Ammonia bidirectional flux model tailored for satellite retrieval parameter inversions
Abstract. Atmospheric ammonia is an important chemical species for air quality and ecosystem health, and has levels that have either increased or remained stagnant in many regions…
Impacts of a revised surface roughness parameterization in the Community Land Model 5.1
Abstract. The roughness of the land surface (z0) is a key property, exerting significant influence on the amount of near-surface turbulent activity and consequently the turbulent …
The biophysics, ecology, and biogeochemistry of functionally diverse, vertically and horizontally heterogeneous ecosyst…
Abstract. Earth system models (ESMs) have been developed to represent the role of terrestrial ecosystems on the energy, water, and carbon cycles. However, many ESMs still lack rep…
Importance of different parameterization changes for the updated dust cycle modeling in the Community Atmosphere Model …
Abstract. The Community Atmosphere Model (CAM6.1), the atmospheric component of the Community Earth System Model (CESM; version 2.1), simulates the life cycle (emission, transport…
Mineral dust cycle in the Multiscale Online Nonhydrostatic AtmospheRe CHemistry model (MONARCH) Version 2.0
Abstract. We present the dust module in the Multiscale Online Non-hydrostatic AtmospheRe CHemistry model (MONARCH) version 2.0, a chemical weather prediction system that can be us…
DECIPHeR-GW v1: a coupled hydrological model with improved representation of surface–groundwater interactions
Abstract. Groundwater is a crucial part of the hydrologic cycle and the largest accessible freshwater source for humans and ecosystems. However, most hydrological models lack expl…
Atmosphere-only GCM (ACCESS1.0) simulations with prescribed land surface temperatures
Abstract. General circulation models (GCMs) are valuable tools for understanding how the global ocean–atmosphere–land surface system interacts and are routinely evaluated relative…
Bulk hydrometeor optical properties for microwave and sub-millimetre radiative transfer in RTTOV-SCATT v13.0
Abstract. Satellite observations of radiation in the microwave and sub-millimetre spectral regions (broadly from 1 to 1000 GHz) can have strong sensitivity to cloud and precipitat…
WRF-GC (v1.0): online coupling of WRF (v3.9.1.1) and GEOS-Chem (v12.2.1) for regional atmospheric chemistry modeling – …
Abstract. We developed the WRF-GC model, an online coupling of the Weather Research and Forecasting (WRF) mesoscale meteorological model and the GEOS-Chem atmospheric chemistry mo…
Cloud Feedbacks from CanESM2 to CanESM5.0 and their influence on climate sensitivity
Abstract. The newest iteration of the Canadian Earth System Model (CanESM5.0.3) has an effective climate sensitivity (EffCS) of 5.65 K, which is a 54 % increase relative to the mo…
PEATBOG: a biogeochemical model for analyzing coupled carbon and nitrogen dynamics in northern peatlands
Abstract. Elevated nitrogen deposition and climate change alter the vegetation communities and carbon (C) and nitrogen (N) cycling in peatlands. To address this issue we developed…
Updates and evaluation of NOAA's online-coupled air quality model version 7 (AQMv7) within the Unified Forecast System
Abstract. The air quality forecasting system is an essential tool widely used by environmental managers to mitigate adverse health effects of air pollutants. This work presents th…
Development of aerosol optical properties for improving the MESSy photolysis module in the GEM-MACH v2.4 air quality mo…
Abstract. The photolysis module in Environment and Climate Change Canada's online chemical transport model GEM-MACH (GEM: Global Environmental Multi-scale – MACH: Modelling Air qu…
ForamEcoGEnIE 2.0: incorporating symbiosis and spine traits into a trait-based global planktic foraminiferal model
Abstract. Planktic foraminifera are major marine calcifiers in the modern ocean, regulating the marine inorganic carbon pump, and generating marine fossil archives of past climate…
Simultaneously assimilating multivariate data sets into the two-source evapotranspiration model by Bayesian approach: a…
Abstract. Based on direct measurements of half-hourly canopy evapotranspiration (ET; W m−2) using the eddy covariance (EC) system and daily soil evaporation (E; mm day−1) using mi…
The Cloud-resolving model Radar SIMulator (CR-SIM) Version 3.3: description and applications of a virtual observatory
Abstract. Ground-based observatories use multisensor observations to characterize cloud and precipitation properties. One of the challenges is how to design strategies to best use…
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