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Showing 24351 to 24400 of 59105 works
Development of the global chemistry-climate coupled model BCC-GEOS-Chem v2.0: improved atmospheric chemistry performanc…
Abstract. Interactions between atmospheric chemical compounds and climate have a great impact on the earth system and atmospheric chemistry. However, the online two-way chemistry-…
MeteoSaver v1.0: a machine-learning based software for the transcription of historical weather data
Abstract. Archives of observed weather data present unique opportunities for scientists to obtain long time series of the historical climate for many regions of the world. Unfortu…
Doppio – a ROMS (v3.6)-based circulation model for the Mid-Atlantic Bight and Gulf of Maine: configuration and comparis…
Abstract. We describe “Doppio”, a ROMS-based (Regional Ocean Modeling System) model of the Mid-Atlantic Bight and Gulf of Maine regions of the northwestern North Atlantic develope…
UK Global Ocean GO6 and GO7: a traceable hierarchy of model resolutions
Abstract. Versions 6 and 7 of the UK Global Ocean configuration (known as GO6 and GO7) will form the ocean components of the Met Office GC3.1 coupled model and UKESM1 earth system…
MLUCM BEP + BEM: an offline one-dimensional multi-layer urban canopy model based on the BEP + BEM scheme
Abstract. The MLUCM BEP + BEM model advances urban microclimate modelling by combining a multi-layer canopy approach with Building Effect Parameterization (BEP) and a Building Ene…
RandomFront 2.3: a physical parameterisation of fire spotting for operational fire spread models – implementation in WR…
Abstract. Fire spotting is often responsible for dangerous flare-ups in wildfires and causes secondary ignitions isolated from the primary fire zone, which lead to perilous situat…
Representation of climate extreme indices in the ACCESS1.3b coupled atmosphere–land surface model
Abstract. Climate extremes, such as heat waves and heavy precipitation events, have large impacts on ecosystems and societies. Climate models provide useful tools for studying und…
Ecological ReGional Ocean Model with vertically resolved sediments (ERGOM SED 1.0): coupling benthic and pelagic biogeo…
Abstract. Sediments play an important role in organic matter mineralisation and nutrient recycling, especially in shallow marine systems. Marine ecosystem models, however, often o…
Exploring new topography-based subgrid spatial structures for improving land surface modeling
Abstract. Topography plays an important role in land surface processes through its influence on atmospheric forcing, soil and vegetation properties, and river network topology and…
A stochastic, Lagrangian model of sinking biogenic aggregates in the ocean (SLAMS 1.0): model formulation, validation a…
Abstract. We present a new mechanistic model, stochastic, Lagrangian aggregate model of sinking particles (SLAMS) for the biological pump in the ocean, which tracks the evolution …
Tropospheric transport and unresolved convection: numerical experiments with CLaMS 2.0/MESSy
Abstract. Pure Lagrangian, i.e., trajectory-based transport models, take into account only the resolved advective part of transport. That means neither mixing processes between th…
Calibration of temperature-dependent ocean microbial processes in the cGENIE.muffin (v0.9.13) Earth system model
Abstract. Temperature is a master parameter in the marine carbon cycle, exerting a critical control on the rate of biological transformation of a variety of solid and dissolved re…
Incorporation of the C-GOLDSTEIN efficient climate model into the GENIE framework: "eb_go_gs" configurations of GENIE
Abstract. A computationally efficient, intermediate complexity ocean-atmosphere-sea ice model (C-GOLDSTEIN) has been incorporated into the Grid ENabled Integrated Earth system mod…
Improving the joint estimation of CO <sub>2</sub> and surface carbon fluxes usi…
Abstract. Atmospheric inversion of carbon dioxide (CO2) measurements to better understand carbon sources and sinks has made great progress over the last 2 decades. However, most o…
Improving annual fine mineral dust representation from the surface to the column in GEOS-Chem 14.4.1
Abstract. Accurate representation of mineral dust remains a challenge for global air quality or climate models due to inadequate parametrization of the emission scheme, removal me…
Physically-based data assimilation
Abstract. Ideally, a validation and assimilation scheme should maintain the physical principles embodied in the model and be able to evaluate and assimilate lower dimensional feat…
HIMMELI v1.0: HelsinkI Model of MEthane buiLd-up and emIssion for peatlands
Abstract. Wetlands are one of the most significant natural sources of methane (CH4) to the atmosphere. They emit CH4 because decomposition of soil organic matter in waterlogged an…
Minimum-variance-based outlier detection method using forward-search model error in geodetic networks
Abstract. Geodetic observations are crucial for monitoring landslides, crustal movements, and volcanic activity. They are often integrated with data from interdisciplinary studies…
Assessing effects of climate and technology uncertainties in large natural resource allocation problems
Abstract. The productivity of the world's natural resources is critically dependent on a variety of highly uncertain factors, which obscure individual investors and governments th…
A sub-grid parameterization scheme for topographic vertical motion in CAM5-SE
Abstract. Overestimation of precipitation over steep mountains is always a common bias of atmospheric general circulation models (AGCMs). One basic reason is the imperfection of p…
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…
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