Radiative convective model - PowerPoint PPT Presentation


Understanding Observed Changes in Atmospheric Solar Reflection and Surface Albedo

Exploring the attribution of changes in Earth's Albedo Shortwave Radiation (ASR) to various processes including atmospheric and surface contributions. The impacts of incident solar radiation, cloud reflection, absorption, and surface albedo are analyzed, along with the radiative sensitivity from iso

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Advancements in Solar-Terrestrial Research and Meteorology

The Solar-Terrestrial Centre of Excellence (STCE) focuses on ongoing activities and opportunities in the field of meteorology, with a special emphasis on Antarctica. Their annual meetings cover topics like water vapor feedback mechanisms, extreme weather events forecasting, cloud and precipitation s

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Advancements in Near Real-Time Snow Cover and Albedo Monitoring

Explore the innovative co-production approach for monitoring snow cover and albedo at a sub-pixel scale in near real-time, funded by NASA Terra Aqua Suomi. The project aims to provide valuable insights on snow surface properties, including snow cover fraction, albedo, and radiative forcing, through

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Understanding Precipitation in Meteorology

Precipitation in meteorology is the result of atmospheric water vapor condensing and falling to Earth, a vital element of hydrology. It can occur in liquid or solid forms through processes like evaporation, cooling, condensation, and droplet growth. Different geographic and climate conditions impact

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Understanding CAPE and CIN Calculation in Atmospheric Modeling

Learn how to calculate Convective Available Potential Energy (CAPE) and Convective Inhibition (CIN) using the Weisman-Klemp sounding method. The procedure involves defining parcel properties, lifting the parcel level by level, and performing saturation adjustments. Explore the concepts of positive a

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Regional Radiative Forcing and Feedbacks in Arctic Amplification

Arctic Amplification (AA) is explored in the context of regional radiative forcing and feedbacks in the study by Virgin and Smith (2019). The research investigates the dominance of these factors in the meridional variations of AA, highlighting the contributions of different feedback mechanisms durin

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Understanding Chemistry and Composition in the Climate System

Dive into the intricate relationship between chemistry and composition in the climate system, exploring topics such as radiative effects, stratosphere-troposphere coupling, aerosol-cloud interactions, and the impact of various gases and particulates on radiative forcing. Discover how changes in comp

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Understanding Radiative Forcings in Climate Dynamics

Climate forcings directly impact global temperature by changing solar energy absorption and greenhouse gas concentrations. Shortwave forcings involve changes in solar radiation absorbed, while longwave forcings relate to greenhouse gases affecting the greenhouse effect. Positive radiative forcings l

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Comparison of Convective Cores in Gulf and Plains Regions

A detailed comparison of convective cores between Gulf and Plains regions across different seasons reveals interesting patterns. Gulf storms have more cores in the fall, with larger sizes and more cores in winter. The Plains see more cores in the spring season and have generally bigger storms year-r

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Analysis of Seasonal Variations in Gulf Plains Convective Cores

The analysis reveals fascinating insights into Gulf Plains convective cores, showcasing variations in core numbers, average pixels per storm, pixels per core, and core sizes across different seasons. Deep-Wide cores dominate in the summer, while Gulf cores are larger in the fall. The study sheds lig

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Dual-Pol Observations in NW Environment OLYMPEX Planning Meeting

The OLYMPEX planning meeting in Seattle on January 22, 2015 discussed the contribution of polarimetric S-band radar in rain estimation systems targeted by OLYMPEX. The use of specific differential phase (Kdp) helps in minimizing assumptions about drop size distribution, convective/stratiform distinc

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Understanding Heat-Related Illnesses in Sports Medicine

Hyperthermia is a condition where body temperature is elevated, posing risks like heat stress and heat-related illnesses. Proper knowledge of factors like temperature, humidity, and hydration is crucial for athletes and coaches to prevent such conditions during workouts. Metabolic heat production, c

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Unstable Weather Alert: Tropical System Impact and Shear Line Approaching

Tropical system passing north, bringing heavy rainfall and unstable air. Expect convective showers, tailwinds on landing, and shifting precipitation patterns. Concerns about tropical showers, moisture levels, and shear line impact on landing and takeoff conditions. Images of weather situations provi

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Simulation Assumptions and Performance Degradation Study on Beam Squint in 3GPP Meeting

Background on beam squint in conducted power of transmitted CCs causing radiative domain impairment and gain droop, with a problem statement on degradation of CC2 spherical coverage when CC1 and CC2 are separated by frequency. The study involves refined simulation assumptions to quantify radiative d

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Detailed Overview of a Radiative-Convective Model for Weather Prediction

This detailed overview explores the components of a Radiative-Convective Model, covering convection, radiation transfer, cloud-radiation interaction, and surface fluxes. The model incorporates algorithms and parameterizations to simulate various cloud types, radiative transfer processes, and surface

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Convection Parameterization for Low-CAPE Environments

Many global Numerical Weather Prediction systems face challenges predicting convective activity in low-CAPE environments. This study introduces a convection parameterization scheme based on moisture convergence to better represent convective effects. The scheme focuses on the triggering function, up

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Understanding Uncertainties in Direct Radiative Forcing of Aerosols

The uncertainties in the direct radiative forcing of aerosols can be assessed by considering factors such as emissions, lifetime, Mass Absorption Cross Section (MAC), Aerosol Absorption Optical Depth (AAOD), and forcing efficiency. Variations in these factors contribute to the overall uncertainty in

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Advances in Tropical Cyclone Radar Rainfall Estimation

Reviewing past methods and introducing new tools for radar rainfall estimation in tropical cyclones. Discusses advancements in Dual Polarization rainfall estimation and NSSL's National Mosaic & Multi-Sensor Quantitative Precipitation Estimation. Includes insights on reflectivity-to-rainfall relation

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Radiative Polarization Techniques in CEPC for Precision Measurements of Z-Pole Mass

Prof. Jie Gao led discussions on the CEPC polarization program, focusing on obtaining transverse and longitudinal polarizations. The use of special wigglers to enhance the polarizing effect of the magnetic field was highlighted, reducing the time needed for radiative self-polarization. Strategies to

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Conceptual Model for Hydrometeor Structure of Mesoscale Convective Systems during MJO Active Stage

This study presented a conceptual model for characterizing the hydrometeor structure of Mesoscale Convective Systems (MCSs) during the Madden-Julian Oscillation (MJO) active stage. The research focused on the kinematic structure of MCSs and utilized radar data, compositing methodology, and convectiv

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Comparison of Extreme Weather Events in Different Seasons

An analysis of extreme weather events across spring, summer, and autumn, focusing on core aspects per storm, average pixels per storm, and stratiform versus convective distribution. The comparison provides insights into variations in weather patterns and intensity across the seasons.

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Understanding the Planetary Boundary Layer in Atmospheric Science

The Planetary Boundary Layer (PBL) plays a crucial role in atmospheric dynamics, divided into surface, mixed, stable, and residual layers. During the day, the mixed layer experiences convective motions due to surface heating, while the stable layer dominates during the night. Understanding these lay

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Enhancing Precipitation Interpolation Methods for High-Resolution Data Analysis

Accurate interpolation of precipitation data is crucial for various applications, especially in regions with limited data coverage like Greece. This study focuses on improving the creation of a precipitation atlas for Greece using daily observation analysis. By analyzing the reliability of the metho

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Analysis of Cloud-Resolving Simulations Over Complex Terrain

Examining cloud-resolving simulations of moist convection over complex terrain using large eddy simulation (LES) and deep convective fluxes. The study includes characteristics of the simulations, numerical convergence, and turbulent diffusion. Results reveal insights into the behavior of convective

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Understanding Climate System Response to Perturbations: Insights from Hugues Goosse's Chapter 4

Hugues Goosse's Chapter 4 delves into the response of the climate system to perturbations, emphasizing radiative forcing, greenhouse gases, aerosols, and their impacts on Earth's radiative budget. The chapter intricately describes physical feedbacks, interactions involving energy balance, hydrologic

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Understanding North Atlantic Hurricane Drought and Aerosol Impact

This study explores the influence of sulfate aerosols on the late 20th-century North Atlantic Hurricane drought, focusing on the interaction of European sulfate aerosols and African dust. It investigates the radiative forcing effects and variability in hurricane activity, proposing hypotheses relate

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Understanding Suppressed Late 20th Century Warming in CMIP6 Models

Recent studies have explored the suppressed late 20th-century warming seen in CMIP6 models compared to CMIP5. The differences in warming patterns are attributed to strong aerosol forcing, with implications for radiative forcing and climate feedbacks. Estimating historical radiative forcing and exami

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Understanding Solid Mixing Mechanisms and Equipment

Solid mixing involves processes like convective, shear, and diffusive mixing which randomize dissimilar particles in a system. Factors affecting solid mixing include particle size, distribution, and properties like density and elasticity. Various mechanisms like tumbling mixers are used for solid mi

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Extreme Weather Events Comparison in Different Seasons

This dataset contains detailed comparisons of extreme weather events in Spring, Summer, and Autumn for different types of convective cores and stratiform regions. The data includes information on average pixels per storm, cores per storm, and stratiform versus convective ratios across the Plains and

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Numerical Study of MHD Convective Nanofluid Flows within Corrugated Trapezoidal Enclosure

Study investigates the influence of sidewall inclination angle and Eckert number on unsteady flow and heat transfer in alumina-water and SWCNT-water nanofluids within a trapezoidal enclosure. Motivation stems from the heat transfer enhancement in trapezoidal geometries compared to rectangular ones,

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Machine Learning Approach for Satellite Radiance Data Assimilation

This research explores using machine learning as the observation operator for satellite radiance data assimilation, aiming to improve the efficiency of the process. By training the machine learning model with model output and observations, the study investigates reducing the need for a physically-ba

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Understanding Radiative Transfer and Volume Path Tracing

Explore the mathematical model of radiative transfer for simulating light scattering in participating media and translucent materials through volume path tracing. Learn about subsurface scattering and how radiance changes along ray segments in participating media. Delve into the origins and applicat

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Overview of V*LIDORT and Other Radiative Transfer Models by Robert Spurr

The presentation provides an update on the status of V*LIDORT and other radiative transfer models as discussed at the Third TEMPO Science Team Meeting. It covers the LIDORT family overview, upgrades to the codes, new releases for RT models, and accelerated RT developments using PCA. The V*LIDORT cod

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Comprehensive Overview of OSCAR v3.1: A Compact Earth System Model with CMIP6 Simulations

Showcasing the compact Earth system model OSCAR v3.1 and its CMIP6 simulations. OSCAR is a reduced-form Earth system model calibrated to emulate complex models, focusing on radiative forcing, temperatures, precipitation, ocean heat content, aerosols, ozone, and more. Historical periods and scenarios

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Effects of Non-Spherical Ice Crystal Shape on Modeled Properties of Thin Tropical Tropopause Layer Cirrus

This study explores the impact of non-spherical ice crystal shapes on the properties of cirrus clouds in the thin tropical tropopause layer. Incorporating realistic ice crystal shapes into models affects fall speed, growth rate, and radiative absorption, influencing the time evolution of clouds. The

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Understanding Coupling of Convective Motions and Cloud Macrophysics in Climate Model CMDV-CM4

This project led by Lawrence Berkeley National Laboratory aims to mechanistically couple convective motions and cloud macrophysics in the CMDV-CM4 climate model. Through observational techniques and parameterization development, they seek to evaluate and enhance current cloud representations, develo

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Increase in Precipitation Efficiency with Surface Warming

The study examines how surface warming affects precipitation efficiency in radiative-convective equilibrium. Various factors influencing precipitation efficiency, such as microphysical processes and climate sensitivity, are discussed. Model experiments are conducted to test the sensitivity of precip

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Understanding Collisional-Radiative Models for Plasma Detachment Control in Tokamaks

Explore the application of Collisional-Radiative Models (CRM) in EIRENE simulations for plasma detachment control in tokamaks. Learn about detached plasma divertor, main reactions in transport, vibrational states in molecular species, and more through a detailed study of particle species, reaction t

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Understanding Probabilistic Weather Information in Aircraft Safety Recommendations

Subcommittee on Aircraft Safety (SAS) emphasizes the importance of understanding probabilistic weather information for better operational decisions in aviation. Recommendations include leveraging existing knowledge and conducting studies to improve user understanding and decision-making processes re

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Engineering Approach to Enhancing Water Availability in the Mediterranean Basin

Explore an innovative engineering approach to addressing water scarcity in the Mediterranean Basin through regreening degraded areas using sea water evaporation technology. This presentation discusses the impact on convective triggering, surface evaporation, and technology development for sustainabl

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