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Showing 26451 to 26500 of 59105 works
Tropical troposphere to stratosphere transport of carbon monoxide and long-lived trace species in the Chemical Lagran…
Abstract. Variations in the mixing ratio of trace gases of tropospheric origin entering the stratosphere in the tropics are of interest for assessing both troposphere to stratosph…
Single-precision arithmetic in ECHAM radiation reduces runtime and energy consumption
Abstract. We converted the radiation part of the atmospheric model ECHAM to a single-precision arithmetic. We analyzed different conversion strategies and finally used a step-by-s…
Modelling long-term industry energy demand and CO <sub>2</sub> emissions in the…
Abstract. This paper presents an extension of industry modelling within the REMIND integrated assessment model to industry subsectors and a projection of future industry subsector…
Geodynamic diagnostics, scientific visualisation and StagLab 3.0
Abstract. Today's geodynamic models can, often do and sometimes have to become very complex. Their underlying, increasingly elaborate numerical codes produce a growing amount of r…
The GGCMI Phase 2 experiment: global gridded crop model simulations under uniform changes in CO <su…
Abstract. Concerns about food security under climate change motivate efforts to better understand future changes in crop yields. Process-based crop models, which represent plant p…
Diagnosing drivers of PM <sub>2.5</sub> simulation biases in China from meteoro…
Abstract. Chemical transport models (CTMs) are widely used for air pollution modeling, which suffer from significant biases due to uncertainties in simplified parameterization, me…
Evaluation of three new surface irrigation parameterizations in the WRF-ARW v3.8.1 model: the Po Valley (Italy) case st…
Abstract. Irrigation is a method of land management that can affect the local climate. Recent literature shows that it affects mostly the near-surface variables and it is associat…
Ocean biogeochemistry in the Canadian Earth System Model version 5.0.3: CanESM5 and CanESM5-CanOE
Abstract. The ocean biogeochemistry components of two new versions of the Canadian Earth System Model (CanESM) are presented and compared to observations and other models. CanESM5…
High-resolution downscaling of CMIP6 Earth system and global climate models using deep learning for Iberia
Abstract. Deep learning (DL) methods have recently garnered attention from the climate change community for being an innovative approach to downscaling climate variables from Eart…
Amending the algorithm of aerosol–radiation interactions in WRF-Chem (v4.4)
Abstract. WRF-Chem (Weather Research and Forecasting model coupled with Chemistry) is widely used to assess regional aerosol radiative feedback. However, in the current version, a…
V2Karst V1.1: a parsimonious large-scale integrated vegetation–recharge model to simulate the impact of climate and lan…
Abstract. Karst aquifers are an important source of drinking water in many regions of the world. Karst areas are highly permeable and produce large amounts of groundwater recharge…
Fast sensitivity analysis methods for computationally expensive models with multi-dimensional output
Abstract. Global sensitivity analysis (GSA) is a powerful approach in identifying which inputs or parameters most affect a model's output. This determines which inputs to include …
Non-Hydrostatic RegCM4 (RegCM4-NH): model description and case studies over multiple domains
Abstract. We describe the development of a non-hydrostatic version of the regional climate model RegCM4, called RegCM4-NH, for use at convection-permitting resolutions. The non-hy…
SELEN <sup>4</sup> (SELEN version 4.0): a Fortran program for solving the gravi…
Abstract. We present SELEN4 (SealEveL EquatioN solver), an open-source program written in Fortran 90 that simulates the glacial isostatic adjustment (GIA) process in response to t…
ISWNM-NSCS v2.0: advancing the internal solitary wave numerical model with background currents and horizontally inhomog…
Abstract. A new version of an internal solitary wave (ISW) model, Internal Solitary Wave Numerical Model-Northern South China Sea version 2.0 (ISWNM-NSCS v2.0), is presented. Back…
Modeling commercial-scale CO <sub>2</sub> storage in the gas hydrate stability…
Abstract. Safe and secure carbon dioxide (CO2) storage is likely to be critical for mitigating some of the most dangerous effects of climate change. In the last decade, there has …
A hybrid framework for the spin-up and initialization of distributed coupled ecohydrological-biogeochemical models
Abstract. Accurate initialization is a critical step in fully distributed ecohydrological and soil biogeochemical modeling applications, yet is often hindered by the computational…
Development of a global 5 arcmin groundwater model (H08-GMv1.0): model setup and steady-state simulation
Abstract. Groundwater plays a critical role in regulating the global hydrological cycle and serves as the most stable freshwater resource for human daily water consumption. Howeve…
The spectral element method (SEM) on variable-resolution grids: evaluating grid sensitivity and resolution-aware numeri…
Abstract. We evaluate the performance of the Community Atmosphere Model's (CAM) spectral element method on variable-resolution grids using the shallow-water equations in spherical…
A comprehensive land-surface vegetation model for multi-stream data assimilation, D&B v1.0
Abstract. Advances in Earth observation capabilities mean that there is now a multitude of spatially resolved data sets available that can support the quantification of water and …
DeepPhenoMem V1.0: deep learning modelling of canopy greenness dynamics accounting for multi-variate meteorological mem…
Abstract. Vegetation phenology plays a key role in controlling the seasonality of ecosystem processes that modulate carbon, water and energy fluxes between the biosphere and atmos…
An extension of WeatherBench 2 to binary hydroclimatic forecasts
Abstract. Binary forecasts of hydroclimatic extremes play a critical part in disaster prevention and risk management. While the recent WeatherBench 2 provides a versatile framewor…
A finite-element framework to explore the numerical solution of the coupled problem of heat conduction, water vapor dif…
Abstract. The poor treatment (or complete omission) of water vapor transport has been identified as a major limitation suffered by currently available snowpack models. As vapor an…
Deposition velocity concept does not apply to fluxes of ambient aerosol
Abstract. We demonstrate that the proportionality between a deposition flux and a corresponding concentration usually does not hold for ambient aerosol. Therefore the deposition v…
Reconciling surface deflections from simulations of global mantle convection
Abstract. The modern state of the mantle and its evolution on geological timescales are of widespread importance for the Earth sciences. For instance, it is generally agreed that …
The Community Fire Behavior model for coupled fire–atmosphere modeling: implementation in the Unified Forecast System
Abstract. There is an increasing need for simulating the evolution of wildland fires. The realism of the simulation increases by accounting for feedbacks between the fire and the …
Importance of ice nucleation and precipitation on climate with the Parameterization of Unified Microphysics Across Scal…
Abstract. Cloud microphysics is critical for weather and climate prediction. In this work, we document updates and corrections to the cloud microphysical scheme used in the Commun…
Changes in regional climate extremes as a function of global mean temperature: an interactive plotting framework
Abstract. This article extends a previous study Seneviratne et al. (2016) to provide regional analyses of changes in climate extremes as a function of projected changes in global …
ORCHIMIC (v1.0), a microbe-mediated model for soil organic matter decomposition
Abstract. The role of soil microorganisms in regulating soil organic matter (SOM) decomposition is of primary importance in the carbon cycle, in particular in the context of globa…
Modeling gas exchange and biomass production in West African Sahelian and Sudanian ecological zones
Abstract. West African Sahelian and Sudanian ecosystems provide essential services to people and also play a significant role within the global carbon cycle. However, climate and …
Bergen Earth system model (BCM-C): model description and regional climate-carbon cycle feedbacks assessment
Abstract. We developed a complex Earth system model by coupling terrestrial and oceanic carbon cycle components into the Bergen Climate Model. For this study, we have generated tw…
The dynamical core of the Aeolus 1.0 statistical–dynamical atmosphere model: validation and parameter optimization
Abstract. We present and validate a set of equations for representing the atmosphere's large-scale general circulation in an Earth system model of intermediate complexity (EMIC). …
Tomofast-x 2.0: an open-source parallel code for inversion of potential field data with topography using wavelet compre…
Abstract. We present a major release of the Tomofast-x open-source gravity and magnetic inversion code that incorporates several functionalities enhancing its performance and appl…
The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient nume…
Abstract. The penultimate deglaciation (PDG, ∼138–128 thousand years before present, hereafter ka) is the transition from the penultimate glacial maximum (PGM) to the Last Intergl…
Implementation and application of ensemble optimal interpolation on an operational chemistry weather model for improvin…
Abstract. Data assimilation techniques are one of the most important ways to reduce the uncertainty in atmospheric chemistry model input and improve the model forecast accuracy. I…
Parameter estimation for ocean background vertical diffusivity coefficients in the Community Earth System Model (v1.2.1…
Abstract. This study investigates parameter estimation (PE) to enhance climate forecasts of a coupled general circulation model by adjusting the background vertical diffusivity co…
Evaluation of an emergent feature of sub-shelf melt oscillations from an idealized coupled ice sheet–ocean model using …
Abstract. Changes in ocean-driven basal melting have a key influence on the stability of ice shelves, the mass loss from the ice sheet, ocean circulation, and global sea level ris…
Hector V3.2.0: functionality and performance of a reduced-complexity climate model
Abstract. Hector is an open-source reduced-complexity climate–carbon cycle model that models critical Earth system processes on a global and annual basis. Here, we present an upda…
The impact of precipitation evaporation on the atmospheric aerosol distribution in EC-Earth v3.2.0
Abstract. The representation of aerosol–cloud interaction in global climate models (GCMs) remains a large source of uncertainty in climate projections. Due to its complexity, prec…
A revised model of global silicate weathering considering the influence of vegetation cover on erosion rate
Abstract. Silicate weathering, which is of great importance in regulating the global carbon cycle, has been found to be affected by complicated factors, including climate, tectoni…
DNS (v1.0): an open-source ray-tracing tool for space geodetic techniques
Abstract. We have developed an open-source ray-tracing tool for space geodetic techniques. The software uses the geometric optics approximation to calculate the signal travel time…
Strategies for conservative and non-conservative monotone remapping on the sphere
Abstract. Monotonicity is an important property of remapping operators for coupled weather and climate models. However, it is often challenging to design highly accurate operators…
Improved representation of plant functional types and physiology in the Joint UK Land Environment Simulator (JULES v4.2…
Abstract. Dynamic global vegetation models are used to predict the response of vegetation to climate change. They are essential for planning ecosystem management, understanding ca…
The SAPRC atmospheric chemical mechanism generation system (MechGen)
Abstract. MechGen is a software system designed to derive gas-phase reaction mechanisms for reactive organic compounds under atmospherically relevant conditions for use in chemica…
Weakly coupled atmosphere–ocean data assimilation in the Canadian global prediction system (v1)
Abstract. A fully coupled atmosphere–ocean–ice model has been used to produce global weather forecasts at Environment and Climate Change Canada (ECCC) since November 2017. Current…
JuWavelet – continuous wavelet transform and <i>S</i> transform for wave analys…
Abstract. This paper describes the Python package JuWavelet, which implements the continuous wavelet transform using the Morlet wavelet, which is a popular tool in the geosciences…
Coastal Modelling Environment version 1.0: a framework for integrating landform-specific component models in order to s…
Abstract. The ability to model morphological changes on complex, multi-landform coasts over decadal to centennial timescales is essential for sustainable coastal management worldw…
Projecting management-relevant change of undeveloped coastal barriers with the Mesoscale Explicit Ecogeomorphic Barri…
Abstract. Models of coastal barrier geomorphic and ecologic change are valuable tools for understanding and predicting when, where, and how barriers evolve and transition between …
DCMIP2016: the tropical cyclone test case
Abstract. This paper describes and analyzes the Reed–Jablonowski (RJ) tropical cyclone (TC) test case used in the 2016 Dynamical Core Model Intercomparison Project (DCMIP2016). Th…
Consistent assimilation of multiple data streams in a carbon cycle data assimilation system
Abstract. Data assimilation methods provide a rigorous statistical framework for constraining parametric uncertainty in land surface models (LSMs), which in turn helps to improve …
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