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Showing 2301 to 2350 of 7523 works
Calibration of absorbing boundary layers for geoacoustic wave modeling in pseudo-spectral time-domain methods
Abstract. This paper develops a calibration methodology of the artificial absorbing techniques typically used by Fourier pseudo-spectral time-domain (PSTD) methods for geoacoustic…
Estimating criteria pollutant emissions using the California Regional Multisector Air Quality Emissions (CA-REMARQUE) m…
Abstract. The California Regional Multisector Air Quality Emissions (CA-REMARQUE) model is developed to predict changes to criteria pollutant emissions inventories in California i…
Bayesian spatio-temporal inference of trace gas emissions using an integrated nested Laplacian approximation and Gaussi…
Abstract. We present a method to infer spatially and spatio-temporally correlated emissions of greenhouse gases from atmospheric measurements and a chemical transport model. The m…
Matrix representation of lateral soil movements: scaling and calibrating CE-DYNAM (v2) at a continental level
Abstract. Promoting sustainable soil management is a possible option for achieving net-zero greenhouse gas emissions in the future. Several efforts in this area exist, and the app…
Predicting global terrestrial biomes with the LeNet convolutional neural network
Abstract. A biome is a major regional ecological community characterized by distinctive life forms and principal plants. Many empirical schemes such as the Holdridge life zone (HL…
A new bootstrap technique to quantify uncertainty in estimates of ground surface temperature and ground heat flux histo…
Abstract. Estimates of the past thermal state of the land surface are crucial to assess the magnitude of current anthropogenic climate change as well as to assess the ability of E…
AMORE-Isoprene v1.0: a new reduced mechanism for gas-phase isoprene oxidation
Abstract. Gas-phase oxidation of isoprene by ozone (O3) and the hydroxyl (OH) and nitrate (NO3) radicals significantly impacts tropospheric oxidant levels and secondary organic ae…
Simulated microphysical properties of winter storms from bulk-type microphysics schemes and their evaluation in the Wea…
Abstract. This study evaluates the performance of four bulk-type microphysics schemes, Weather Research and Forecasting (WRF) double-moment 6-class (WDM6), WRF double-moment 7-cla…
Global simulation of dissolved <sup>231</sup> Pa and <sup>2…
Abstract. Sedimentary 231Pa/230Th ratios provide clues to estimate the strength of past ocean circulation. For its estimation, understanding the processes controlling the distribu…
Quantifying the oscillatory evolution of simulated boundary-layer cloud fields using Gaussian process regression
Abstract. Average properties of the cloud field, such as cloud size distribution and cloud fraction, have previously been observed to evolve periodically. Identifying this behavio…
Representation of dissolved organic carbon in the JULES land surface model (vn4.4_JULES-DOCM)
Abstract. Current global models of the carbon (C) cycle consider only vertical gas exchanges between terrestrial or oceanic reservoirs and the atmosphere, thus not considering the…
C-Coupler1: a Chinese community coupler for Earth system modeling
Abstract. A coupler is a fundamental software tool for Earth system modeling. Targeting the requirements of 3-D coupling, high-level sharing, common model software platform and be…
libmpdata++ 1.0: a library of parallel MPDATA solvers for systems of generalised transport equations
Abstract. This paper accompanies the first release of libmpdata++, a C++ library implementing the multi-dimensional positive-definite advection transport algorithm (MPDATA) on reg…
Evaluating statistical consistency in the ocean model component of the Community Earth System Model (pyCECT v2.0)
Abstract. The Parallel Ocean Program (POP), the ocean model component of the Community Earth System Model (CESM), is widely used in climate research. Most current work in CESM-POP…
SimSphere model sensitivity analysis towards establishing its use for deriving key parameters characterising land surfa…
Abstract. Being able to accurately estimate parameters characterising land surface interactions is currently a key scientific priority due to their central role in the Earth's glo…
Impact of surface coupling grids on tropical cyclone extremes in high-resolution atmospheric simulations
Abstract. This paper discusses the sensitivity of tropical cyclone climatology to surface coupling strategy in high-resolution configurations of the Community Earth System Model. …
A global carbon assimilation system using a modified ensemble Kalman filter
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 simultane…
Coupling the high-complexity land surface model ACASA to the mesoscale model WRF
Abstract. In this study, the Weather Research and Forecasting (WRF) model is coupled with the Advanced Canopy–Atmosphere–Soil Algorithm (ACASA), a high-complexity land surface mod…
A fully coupled 3-D ice-sheet–sea-level model: algorithm and applications
Abstract. Relative sea-level variations during the late Pleistocene can only be reconstructed with the knowledge of ice-sheet history. On the other hand, the knowledge of regional…
Can we model observed soil carbon changes from a dense inventory? A case study over England and Wales using three versi…
Abstract. A widespread decrease of the topsoil carbon content was observed over England and Wales during the period 1978–2003 in the National Soil Inventory (NSI), amounting to a …
Modelling sediment export, retention and reservoir sedimentation in drylands with the WASA-SED model
Abstract. Current soil erosion and reservoir sedimentation modelling at the meso-scale is still faced with intrinsic problems with regard to open scaling questions, data demand, c…
Parameterizing deep convection using the assumed probability density function method
Abstract. Due to their coarse horizontal resolution, present-day climate models must parameterize deep convection. This paper presents single-column simulations of deep convection…
Sensitivity of NEMO4.0-SI <sup>3</sup> model parameters on sea ice budgets in t…
Abstract. The seasonally dependent Antarctic sea ice concentration (SIC) budget is well observed and synthesizes many important air–sea–ice interaction processes. However, it is r…
OpenIFS@home version 1: a citizen science project for ensemble weather and climate forecasting
Abstract. Weather forecasts rely heavily on general circulation models of the atmosphere and other components of the Earth system. National meteorological and hydrological service…
snowScatt 1.0: consistent model of microphysical and scattering properties of rimed and unrimed snowflakes based on the…
Abstract. More detailed observational capabilities in the microwave (MW) range and advancements in the details of microphysical schemes for ice and snow demand increasing complexi…
The impact of lateral boundary forcing in the CORDEX-Africa ensemble over southern Africa
Abstract. The region of southern Africa (SAF) is among the most exposed climate change hotspots and is projected to experience severe impacts across multiple economical and societ…
age_flow_line-1.0: a fast and accurate numerical age model for a pseudo-steady flow tube of an ice sheet
Abstract. Numerical age models are useful tools for investigating the age of the ice in an ice sheet. They can be used to date ice cores or to interpret isochronal horizons which …
A spatial evaluation of high-resolution wind fields from empirical and dynamical modeling in hilly and mountainous terr…
Abstract. Empirical high-resolution surface wind fields, automatically generated by a weather diagnostic application, the WegenerNet Wind Product Generator (WPG), were intercompar…
Recent improvements and maximum covariance analysis of aerosol and cloud properties in the EC-Earth3-AerChem model
Abstract. Given the importance of aerosols and clouds and their interactions in the climate system, it is imperative that the global Earth system models accurately represent proce…
Autoencoder-based feature extraction for the automatic detection of snow avalanches in seismic data
Abstract. Monitoring snow avalanche activity is essential for operational avalanche forecasting and the successful implementation of mitigation measures to ensure safety in mounta…
Modeling sensitivities of thermally and hydraulically driven ice stream surge cycling
Abstract. Modeling ice sheet instabilities is a numerical challenge of potentially high real-world relevance. Yet, differentiating between the impacts of model physics, numerical …
Modelling water isotopologues ( <sup>1</sup> H <sup>2</sup>…
Abstract. Stable water isotopes are used to infer changes in the hydrological cycle for different climate periods and various climatic archives. Following previous developments of…
The efficient urban canopy dependency parametrization (SURY) v1.0 for atmospheric modelling: description and applicatio…
Abstract. This paper presents the Semi-empirical URban canopY parametrization (SURY) v1.0, which bridges the gap between bulk urban land-surface schemes and explicit-canyon scheme…
LOSCAR: Long-term Ocean-atmosphere-Sediment CArbon cycle Reservoir Model v2.0.4
Abstract. The LOSCAR model is designed to efficiently compute the partitioning of carbon between ocean, atmosphere, and sediments on time scales ranging from centuries to millions…
A technique for generating consistent ice sheet initial conditions for coupled ice sheet/climate models
Abstract. A transient technique for generating ice sheet preindustrial initial conditions for long-term coupled ice sheet/climate model simulations is developed and demonstrated o…
Application of CCM SOCOL-AERv2-BE to cosmogenic beryllium isotopes: description and validation for polar regions
Abstract. The short-living cosmogenic isotope 7Be, which is produced by cosmic rays in the atmosphere, is often used as a tracer for atmospheric dynamics, with precise and high-re…
Modelling of faults in LoopStructural 1.0
Abstract. Without properly accounting for both fault kinematics and observations of a faulted surface, it is challenging to create 3D geological models of faulted geological units…
Using the COAsT Python package to develop a standardised validation workflow for ocean physics models
Abstract. Validation is one of the most important stages of a model's development. By comparing outputs to observations, we can estimate how well the model is able to simulate rea…
Climate projections of a multivariate heat stress index: the role of downscaling and bias correction
Abstract. Along with the higher demand for bias-corrected data for climate impact studies, the number of available data sets has largely increased in recent years. For instance, t…
Extended enthalpy formulations in the Ice-sheet and Sea-level System Model (ISSM) version 4.17: discontinuous conductiv…
Abstract. The thermal state of an ice sheet is an important control on its past and future evolution. Some parts of the ice sheet may be polythermal, leading to discontinuous prop…
Calibrating a global atmospheric chemistry transport model using Gaussian process emulation and ground-level concentrat…
Abstract. Atmospheric chemistry transport models are important tools to investigate the local, regional and global controls on atmospheric composition and air quality. To ensure t…
Simulation performance of planetary boundary layer schemes in WRF v4.3.1 for near-surface wind over the western Sichu…
Abstract. The topography of the Sichuan Basin is complex, and high-resolution wind field simulations over this region are of great significance for meteorology, air quality, and w…
Emission ensemble approach to improve the development of multi-scale emission inventories
Abstract. Many studies have shown that emission inventories are one of the inputs with the most critical influences on the results of air quality modelling. Comparing emission inv…
Southern Ocean Ice Prediction System version 1.0 (SOIPS v1.0): description of the system and evaluation of synoptic-sca…
Abstract. An operational synoptic-scale sea ice forecasting system for the Southern Ocean, namely the Southern Ocean Ice Prediction System (SOIPS), has been developed to support s…
ESM-Tools version 5.0: a modular infrastructure for stand-alone and coupled Earth system modelling (ESM)
Abstract. Earth system and climate modelling involves the simulation of processes on a wide range of scales and within and across various compartments of the Earth system. In prac…
Tagged ozone mechanism for MOZART-4, CAM-chem and other chemical transport models
Abstract. A procedure for tagging ozone produced from NO sources through updates to an existing chemical mechanism is described, and results from its implementation in the Model f…
MQGeometry-1.0: a multi-layer quasi-geostrophic solver on non-rectangular geometries
Abstract. This paper presents MQGeometry, a multi-layer quasi-geostrophic (QG) equation solver for non-rectangular geometries. We advect the potential vorticity (PV) with finite v…
Including the phosphorus cycle into the LPJ-GUESS dynamic global vegetation model (v4.1, r10994) – global patterns and…
Abstract. Phosphorus (P) is a critical macronutrient for plant growth, often limiting plant production in areas where plant demand is higher than soil supply. In contrast to nitro…
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