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Showing 25601 to 25650 of 59105 works
LPJ-GUESS/LSMv1.0: a next-generation land surface model with high ecological realism
Abstract. Land biosphere processes are of central importance to the climate system. Specifically, ecosystems interact with the atmosphere through a variety of feedback loops that …
Modeling large‐scale landform evolution with a stream power law for glacial erosion (OpenLEM v37): benchmarking experim…
Abstract. Following the tradition of modeling fluvial landscape evolution, a novel approach describing glacial erosion based on an empirical stream power law was proposed. This ap…
The Canadian Atmospheric Model version 5 (CanAM5.0.3)
Abstract. The Canadian Atmospheric Model version 5 (CanAM5) is the component of Canadian Earth System Model version 5 (CanESM5) which models atmospheric processes and coupling of …
Source apportionment and sensitivity analysis: two methodologies with two different purposes
Abstract. This work reviews the existing methodologies for source apportionment and sensitivity analysis to identify key differences and stress their implicit limitations. The emp…
Ensemble data assimilation to diagnose AI-based weather prediction models: a case with ClimaX version 0.3.1
Abstract. Artificial intelligence (AI)-based weather prediction research is growing rapidly and has shown to be competitive with advanced dynamic numerical weather prediction (NWP…
Modeling agriculture in the Community Land Model
Abstract. The potential impact of climate change on agriculture is uncertain. In addition, agriculture could influence above- and below-ground carbon storage. Development of model…
Response of microbial decomposition to spin-up explains CMIP5 soil carbon range until 2100
Abstract. Soil carbon storage simulated by the Coupled Model Intercomparison Project (CMIP5) models varies 6-fold for the present day. Here, we confirm earlier work showing that t…
Modeling of streamflow in a 30 km long reach spanning 5 years using OpenFOAM 5.x
Abstract. Developing accurate and efficient modeling techniques for streamflow at the tens-of-kilometers spatial scale and multi-year temporal scale is critical for evaluating and…
Anisotropic metric-based mesh adaptation for ice flow modelling in Firedrake
Abstract. Glaciological modelling is a computationally challenging task due to its high cost and complexity associated with large spatial-scale and long timescale simulations. In …
GEM-MACH-PAH (rev2488): a new high-resolution chemical transport model for North American polycyclic aromatic hydrocarb…
Abstract. Environment and Climate Change Canada's online air quality forecasting model, GEM-MACH, was extended to simulate atmospheric concentrations of benzene and seven polycycl…
NAAC (v1.0): a seamless two-decade cross-scale simulation from the North American Atlantic Coast to tidal wetlands us…
Abstract. Saltwater intrusion is an increasing concern for coastal ecosystems. While groundwater models have made progress in simulating aquifer salinization, their boundary condi…
Explaining neural networks for detection of tropical cyclones and atmospheric rivers in gridded atmospheric simulation …
Abstract. Detection of atmospheric features in gridded datasets from numerical simulation models is typically done by means of rule-based algorithms. Recently, the feasibility of …
Evaluation of ozone and its precursors using the Multi-Scale Infrastructure for Chemistry and Aerosols Version 0 (MUSIC…
Abstract. Surface ozone (O3) in Southeast Michigan (SEMI) often exceeds US National Ambient Air Quality Standards, posing risks to human health and agroecosystems. SEMI, a relativ…
Bridging the gap: a new module for human water use in the Community Earth System Model version 2.2.1
Abstract. Water scarcity is exacerbated by rising water use and climate change, yet state-of-the-art Earth system models typically do not represent human water demand. Here we pre…
Segmentation of XCO <sub>2</sub> images with deep learning: application to synt…
Abstract. Under the Copernicus programme, an operational CO2 Monitoring Verification and Support system (CO2MVS) is being developed and will exploit data from future satellites mo…
Benchmarking the accuracy of higher-order particle methods in geodynamic models of transient flow
Abstract. Numerical models are a powerful tool for investigating the dynamic processes in the interior of the Earth and other planets, but the reliability and predictive power of …
UniFHy v0.1.1: a community modelling framework for the terrestrial water cycle in Python
Abstract. The land surface, hydrological, and groundwater modelling communities all have expertise in simulating the hydrological processes at play in the terrestrial component of…
Bayesian integration of flux tower data into a process-based simulator for quantifying uncertainty in simulated output
Abstract. Parameters of a process-based forest growth simulator are difficult or impossible to obtain from field observations. Reliable estimates can be obtained using calibration…
Skin sea surface temperature schemes in coupled ocean–atmosphere modelling: the impact of chlorophyll-interactive …
Abstract. In this paper, we explore different prognostic methods to account for skin sea surface temperature diurnal variations in a coupled ocean–atmosphere regional model of the…
Development of a multiphase chemical mechanism to improve secondary organic aerosol formation in CAABA/MECCA (version 4…
Abstract. During the last few decades, the impact of multiphase chemistry on secondary organic aerosols (SOAs) has been demonstrated to be the key to explaining laboratory experim…
Towards an integrated inventory of anthropogenic emissions for China
Abstract. Despite ongoing efforts to reduce pollution, persistent ozone pollution in China remains a public health concern. To better understand the causes of ozone pollution in C…
Exploring coral reef responses to millennial-scale climatic forcings: insights from the 1-D numerical tool pyReef-Core …
Abstract. Assemblages of corals characterise specific reef biozones and the environmental conditions that change spatially across a reef and with depth. Drill cores through fossil…
Ground subsidence effects on simulating dynamic high-latitude surface inundation under permafrost thaw using CLM5
Abstract. Simulating surface inundation is particularly challenging for the high-latitude permafrost regions. Ice-rich permafrost thaw can create expanding thermokarst lakes as we…
Development of a deep neural network for predicting 6 h average PM <sub>2.5</sub> …
Abstract. Despite recent progress of numerical air quality models, accurate prediction of fine particulate matter (PM2.5) is still challenging because of uncertainties in physical…
Isoprene-derived secondary organic aerosol in the global aerosol–chemistry–climate model ECHAM6.3.0–HAM2.3–MOZ1.0
Abstract. Within the framework of the global chemistry climate model ECHAM–HAMMOZ, a novel explicit coupling between the sectional aerosol model HAM-SALSA and the chemistry model …
FjordRPM v1.0: a reduced-physics model for efficient simulation of glacial fjords
Abstract. Interactions between ice masses and the ocean are key couplings in the global climate system. In many cases, these interactions occur through glacial fjords, which are l…
Improvements to stratospheric chemistry scheme in the UM-UKCA (v10.7) model: solar cycle and heterogeneous reactions
Abstract. Improvements are made to two areas of the United Kingdom Chemistry and Aerosol (UKCA) module, which forms part of the Met Office Unified Model (UM) used for weather and …
Comparison of 4-dimensional variational and ensemble optimal interpolation data assimilation systems using a Regional O…
Abstract. Ocean models must be regularly updated through the assimilation of observations (data assimilation) in order to correctly represent the timing and locations of eddies. S…
Evaluation of high-resolution predictions of fine particulate matter and its composition in an urban area using PMCAMx-…
Abstract. Accurately predicting urban PM2.5 concentrations and composition has proved challenging in the past, partially due to the resolution limitations of computationally inten…
TransClim (v1.0): a chemistry–climate response model for assessing the effect of mitigation strategies for road traffic…
Abstract. Road traffic emits not only carbon dioxide (CO2) and particulate matter, but also other pollutants such as nitrogen oxides (NOx), volatile organic compounds (VOCs) and c…
A spectral nudging method for the ACCESS1.3 atmospheric model
Abstract. A convolution-based method of spectral nudging of atmospheric fields is developed in the Australian Community Climate and Earth Systems Simulator (ACCESS) version 1.3 wh…
NEMOTAM: tangent and adjoint models for the ocean modelling platform NEMO
Abstract. Tangent linear and adjoint models (TAMs) are efficient tools to analyse and to control dynamical systems such as NEMO. They can be involved in a large range of applicati…
Assimilating water column and satellite data for marine export production estimation
Abstract. Recent advances in satellite retrieval methodology now allow for estimation of particular organic carbon (POC) concentration in ocean surface waters directly from satell…
Impacts of using spectral nudging on regional climate model RCA4 simulations of the Arctic
Abstract. The performance of the Rossby Centre regional climate model RCA4 is investigated for the Arctic CORDEX (COordinated Regional climate Downscaling EXperiment) region, with…
Mass-flux subgrid-scale parameterization in analogy with multi-component flows: a formulation towards scale independence
Abstract. A generalized mass-flux formulation is presented, which no longer takes a limit of vanishing fractional areas for subgrid-scale components. The presented formulation is …
ASAMgpu V1.0 – a moist fully compressible atmospheric model using graphics processing units (GPUs)
Abstract. In this work the three dimensional compressible moist atmospheric model ASAMgpu is presented. The calculations are done using graphics processing units (GPUs). To ensure…
A process-based modeling of soil organic matter physical properties for land surface models – Part 1: Soil mixture theo…
Abstract. Numerous studies have highlighted the critical role of soil organic matter (SOM) physical properties in simulating hydrological and energy exchanges within Earth system …
A novel model evaluation approach focusing on local and advected contributions to urban PM <sub>2.5…
Abstract. Aerosol simulations in chemistry transport models (CTMs) still suffer from numerous uncertainties, and diagnostic evaluations are required to point out major error sourc…
The description and validation of the computationally Efficient CH <sub>4</sub> …
Abstract. We present the Efficient CH4–CO–OH (ECCOH) chemistry module that allows for the simulation of the methane, carbon monoxide, and hydroxyl radical (CH4–CO–OH) system, with…
PRACTISE – Photo Rectification And ClassificaTIon SoftwarE (V.2.1)
Abstract. Terrestrial photography combined with the recently presented Photo Rectification And ClassificaTIon SoftwarE (PRACTISE V.1.0) has proven to be a valuable source to deriv…
Ice sheet dynamics within an earth system model: downscaling, coupling and first results
Abstract. We present first results from a coupled model setup, consisting of the state-of-the-art ice sheet model RIMBAY (Revised Ice Model Based on frAnk pattYn), and the communi…
Crop physiology calibration in the CLM
Abstract. Farming is using more of the land surface, as population increases and agriculture is increasingly applied for non-nutritional purposes such as biofuel production. This …
Coupling global chemistry transport models to ECMWF's integrated forecast system
Abstract. The implementation and application of a newly developed coupled system combining ECMWF's integrated forecast system (IFS) with global chemical transport models (CTMs) is…
An updated parameterization of the unstable atmospheric surface layer in the Weather Research and Forecasting (WRF) mod…
Abstract. The accurate parameterization of atmospheric surface layer processes is crucial for weather forecasts using numerical weather prediction models. Here, an attempt has bee…
Evaluation of CH4MOD <sub>wetland</sub> and Terrestrial Ecosystem Model (TEM) u…
Abstract. Wetlands are the largest and most uncertain natural sources of atmospheric methane (CH4). Several process-based models have been developed to quantify the magnitude and …
CycloTRACK (v1.0) – tracking winter extratropical cyclones based on relative vorticity: sensitivity to data filtering a…
Abstract. In this study we present a new cyclone identification and tracking algorithm, cycloTRACK. The algorithm describes an iterative process. At each time step it identifies a…
Machine-learning models to replicate large-eddy simulations of air pollutant concentrations along boulevard-type streets
Abstract. Running large-eddy simulations (LESs) can be burdensome and computationally too expensive from the application point of view, for example, to support urban planning. In …
CHANS-SD-YRB V1.0: a system dynamics model of the coupled human-natural systems for the Yellow River Basin
Abstract. Modeling the coupled human–natural systems (CHANS) is vital for understanding human–natural interactions and achieving regional sustainability, offering a powerful tool …
ClimKern v1.2: a new Python package and kernel repository for calculating radiative feedbacks
Abstract. Climate feedbacks are a significant source of uncertainty in future climate projections and need to be quantified accurately and robustly. The radiative kernel method is…
Uncertainty and sensitivity analysis for probabilistic weather and climate-risk modelling: an implementation in CLIMADA…
Abstract. Modelling the risk of natural hazards for society, ecosystems, and the economy is subject to strong uncertainties, even more so in the context of a changing climate, evo…
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