An assessment of data products for studies of clouds and radiation (INVITED) Ehrhard Raschke University of Hamburg, Germany William R. Rossow, Yuan-Chong.

Slides:

Advertisements

Similar presentations

1 Evaluating climate model using observations of tropical radiation and water budgets Richard P. Allan, Mark A. Ringer Met Office, Hadley Centre for Climate.

Advertisements

Atmospheric clear-sky longwave radiative cooling and precipitation Richard Allan Environmental Systems Science Centre, University of Reading, UK.

Modeling incoming solar radiation Ehrhard Raschke (Hamburg) Stefan Kinne (Hamburg) Yoko Tsuschima (Yokohama) Stephan Bakan (Hamburg) With data contributions.

Stefan Kinne MPI-Meteorology Hamburg, Germany ISCCP cloud effects on radiative fluxes Stefan Kinne MPI-Meteorology, Hamburg.

On the Development of GOES-R Longwave Earth Radiation Budget Products Hai-Tien Lee (1) & Istvan Laszlo (2) (1) CICS/ESSIC-NOAA, University of Maryland.

James Dewar presenting liquid hydrogen: Physics Today, March 2008.

An Evaluation of the Surface Radiation Budget Over North America for a Suite of Regional Climate Models Student: Marko Markovic Director: Colin Jones Université.

1 An initial CALIPSO cloud climatology ISCCP Anniversary, July 2008, New York Dave Winker NASA LaRC.

Water Vapor and Cloud Feedbacks Dennis L. Hartmann in collaboration with Mark Zelinka Department of Atmospheric Sciences University of Washington PCC Summer.

Surface Skin/Air Temperature and LW Flux Calculation Y-C. Zhang and W.B. Rossow LandFlux Conference CNES/CESBIO, Toulouse, France May 28 – 31, 2007.

By : Kerwyn Texeira. Outline Definitions Introduction Model Description Model Evaluation The effect of dust nuclei on cloud coverage Conclusion Questions.

Climate Forcing and Physical Climate Responses Theory of Climate Climate Change (continued)

The Radiative Budget of an Atmospheric Column in Tropical Western Pacific Zheng Liu Department of Atmospheric Science University of Washington.

Quantifying aerosol direct radiative effect with MISR observations Yang Chen, Qinbin Li, Ralph Kahn Jet Propulsion Laboratory California Institute of Technology,

Anthropogenic Aerosol – A Cause Of The Weekend Effect? A significant weekly cycle has been found in diurnal temperature range (DTR). A candidate for causing.

3. Climate Change 3.1 Observations 3.2 Theory of Climate Change 3.3 Climate Change Prediction 3.4 The IPCC Process.

Radiation budget METR280 Satellite Meteorology/Climatology Professor Menglin Jin.

MONITORING EARTH’S CLIMATE SYSTEM & PLANETARY ENERGY BUDGET.

Climate Science Branch, Science Directorate NASA Langley Research Center Shashi K. Gupta, Paul W. Stackhouse Jr.*, Taiping Zhang, and J. Colleen Mikovitz.

The Radiative Budget of an Atmospheric Column in Tropical Western Pacific Zheng Liu 1 Thomas Ackerman 1,2, Sally McFarlane 2, Jim Mather 2, University.

Outline Background, climatology & variability Role of snow in the global climate system Indicators of climate change Future projections & implications.

Lesson 2 AOSC 621. Radiative equilibrium Where S is the solar constant. The earth reflects some of this radiation. Let the albedo be ρ, then the energy.

MET 12 Global Climate Change – Lecture 8

Numerical diffusion in sectional aerosol modells Stefan Kinne, MPI-M, Hamburg DATA in global modeling aerosol climatologies & impact.

MT Workshop October 2005 JUNE 2004 DECEMBER 2004 End of OCTOBER 2005 ? MAY 2002 ? Capabilities of multi-angle polarization cloud measurements from.

Radiation Group 3: Manabe and Wetherald (1975) and Trenberth and Fasullo (2009) – What is the energy balance of the climate system? How is it altered by.

Synoptic variability of cloud and TOA radiative flux diurnal cycles Patrick Taylor NASA Langley Research Center Climate Science Branch

Incoming Solar Radiation at Top of the Atmosphere Measurements and Modeling Ehrhard Raschke University of Hamburg, Germany (Based on.

1 CERES Results Norman Loeb and the CERES Science Team NASA Langley Research Center, Hampton, VA Reception NASA GSFC, Greenbelt, MD.

Differences in solar insolation fields at TOA among numerical models for the projects AMIP-2 and IPCC-FAR, Ehrhard Raschke (University of Hamburg), Yoko.

3 May 2007 GIST May Professor John Harries, Professor John Harries, Space and Atmospheric Physics group, Blackett Laboratory, Imperial College,

Comparative global energy budgets for Earth, Mars and Venus P. L. Read, S. Chelvaniththilan, P. G. J. Irwin, S. Knight, S. R. Lewis, J. Mendonça, L. Montabone.

A four year record of Aerosol Absorption measurements from OMI near UV observations Omar Torres Department of Atmospheric and Planetary Sciences Hampton.

Modern Era Retrospective-analysis for Research and Applications: Introduction to NASA’s Modern Era Retrospective-analysis for Research and Applications:

ISCCP at its 30 th (New York, 22 – 25 April, 2013) Congratulations to the “Core Team” and to “Patient Outside-Supporters”: Our best wishes for a perspective.

The GEWEX Radiative Flux Assessment Project The GEWEX Radiative Flux Assessment Project 5 th International GEWEX Conference June , 2004 Atsumu Ohmura.

Promoting Satellite Applications in the TPE Water and Energy Cycle Studies: Chance and Challenge Kun Yang Institute of Tibetan Plateau Research Chinese.

Seasonal Cycle of Climate Feedbacks in the NCAR CCSM3.0 Patrick Taylor CLARREO Science Team Meeting July 7, 2010 Patrick Taylor CLARREO Science Team Meeting.

Large Eddy Simulation of Low Cloud Feedback to a 2-K SST Increase Anning Cheng 1, and Kuan-Man Xu 2 1. AS&M, Inc., 2. NASA Langley Research Center, Hampton,

Earth System Models Earth System & Climate Change: GMAO Analysis, NCEP Analysis Seasonal Prediction Models: NSIPP Analysis, NCEP Analysis Aerosol Transport.

Investigations of Artifacts in the ISCCP Datasets William B. Rossow July 2006.

ISCCP Calibration 25 th Anniversary Symposium July 23, 2008 NASA GISS Christopher L. Bishop Columbia University New York, New York.

Clouds & Radiation: Climate data vs. model results A tribute to ISCCP Ehrhard Raschke, University of Hamburg Stefan Kinne, MPI-Meteorology Hamburg 25 years.

ISCCP SO FAR (at 30) GOALS ►Facilitate "climate" research ►Determine cloud effects on radiation exchanges ►Determine cloud role in global water cycle ▬

Evaluation of radiative properties of low and high clouds in different regimes using satellite measurements Bing Lin 1, Pat Minnis 1, and Tai-Fang Fan.

© Oxford University Press, All rights reserved. 1 Chapter 3 CHAPTER 3 THE GLOBAL ENERGY SYSTEM.

How Much Will the Climate Warm? Alex Hall and Xin Qu UCLA Department of Atmospheric and Oceanic Sciences UCLA Institute of the Environment Environmental.

Clouds and radiation … recent hot topics Stefan Kinne.

MPI Metorology comparing ISCCP and GEWEX products Madison, July 2006 Stefan Kinne Max Planck Institute for Meteorology Hamburg, Germany Ehrhard Raschke.

Sea Ice, Solar Radiation, and SH High-latitude Climate Sensitivity Alex Hall UCLA Department of Atmospheric and Oceanic Sciences SOWG meeting January 13-14,

© Crown copyright Met Office Southern Ocean surface flux biases in GCMs Keith Williams, Alejandro Bodas-Salcedo & Patrick Hyder SOCRATES workshop 18/03/14.

Consistent Earth System Data Records for Climate Research: Focus on Shortwave and Longwave Radiative Fluxes Rachel T. Pinker, Yingtao Ma and Eric Nussbaumer.

The Solar Radiation Budget, and High-latitude Climate Sensitivity Alex Hall UCLA Department of Atmospheric and Oceanic Sciences University of Arizona October.

Do ISCCP & SRB Radiation Products Show Effects of Anomalies in Ancillary Data ? Ehrhard Raschke (Hamburg) Stefan Kinne (Hamburg) Ely Duenas (GISS, NY)

NASA Langley Research Center / Atmospheric Sciences CERES Instantaneous Clear-sky and Monthly Averaged Radiance and Flux Product Overview David Young NASA.

1 Changes in global net radiative imbalance Richard P. Allan, Chunlei Liu (University of Reading/NCAS Climate); Norman Loeb (NASA Langley); Matt.

Issues surrounding NH high- latitude climate change Alex Hall UCLA Department of Atmospheric and Oceanic Sciences.

TOA Radiative Flux Estimation From CERES Angular Distribution Models

GEWEX Radiation Panel Report

Climate Dynamics 11:670:461 Alan Robock

Reconciling Ocean Heating and

Project Title: The Sensitivity of the Global Water and Energy Cycles:

Climate Dynamics 11:670:461 Alan Robock

Surface Fluxes and Model Error An introduction

Understanding and constraining snow albedo feedback

UCLA Department of Atmospheric and Oceanic Sciences

What controls the variability of net incoming solar radiation?

Investigator: B. Lin Integrated satellite global energy data sets for climate analysis and modeling studies Investigator: B. Lin

Integrated Satellite Global Energy Data for Climate Studies

CURRENT Energy Budget Changes

Presentation transcript:

An assessment of data products for studies of clouds and radiation (INVITED) Ehrhard Raschke University of Hamburg, Germany William R. Rossow, Yuan-Chong Zhang NASA, GISS & Columbia University, New York NY Paul W. Stackhouse NASA, LaRC Hampton VA (With contributions by B. Carlson, M. Giorgetta, S. Kinne, M. Wild, R. Cess, G. Potter) 5 th GEWEX Science Conference, 20 – 24 June 2005 Orange County, California

IPCC 2001 Clouds: -50 to +35 Wm -2 ABC !

See also GCOS papers

CLOUDS Surface Observations, RAWIN-Sondes, (Neph-Analyses, photographic averages) TOVS, ISCCP, HIRS/2, SAGE, POLDER, and many others To contrast clouds against background of passive measurements: Correlative data sets on state of atmosphere and ground are needed.

Stubenrauch (2005) Cloud amount 69/46 Cloud top pressure 588/596 Top minus surface temperature –26/-27 ISCCP vs. TOVS

Summary for clouds: 1.There are now several data sets available for geometric and radiometric cloud field properties and for occurrence of clouds covering more than 15 years with largest uncertainties over Polar Regions. 2.There are further numerous results available for microphysical cloud field properties covering shorter periods. CONCLUSIONS: 1.The cloud products are not necessarily compatible due to different techniques of measurements and analyses and sampling. 2.GEWEX must develop and accept an appropriate terminology on cloud characteristics. 3.Significant improvements expected when “A-Train data” is included.

RADIATION PRODUCTS Studies of Earth’s Radiation Climatology began in late 19 th century At Top of Atmosphere (TOA) with satellite data since ~1960 Now: ERBE, CERES, ScaRaB, GERB (and ISCCP, SRB, others) At Ground with satellite information since ~1975; Now: ISCCP, GEWEX-SRB, + various shorter time series over regions.

Radiation product Primarily sensitive to … (in some order of priority) Insolation at TOATSI, Astro-mechanics, spectrum, cut-off angle Planetary albedoClouds, surface albedo, aerosols, scene identification, angular models Outgoing longwave radiation at TOA Temperature of atmosphere and surface, water vapor, clouds, scene, angular models Downward longwave at surfaceAtmospheric temperature and water vapor, clouds Upward longwave at surface Surface skin temperature and effective emittance Downward solar radiation at surfaceClouds, aerosols, moisture; insolation at TOA Upward solar radiation at surfaceDownward solar, surface albedo (and spectrum) Longwave budgets at TOA and surface; integral divergence (Temperatures at surface and in the atmosphere; clouds) Solar budgets at TOA and surface; integral divergence (Clouds, aerosols, surface albedo)

Planetary radiation budget 1991 to 1995

Validation: Solar (left) and terrestrial (right) at TOA: CERES vs. ISCCP (B.Carlson, GISS)

AMIP-2, mean incoming solar radiation at TOA in May and November ( ) (with R. Cess, S. Kinne, M. Giorgetta, M. Wild) DJF TSI PMOD- composite 2005

AMIP-2: Deviations monthly ( ) insolation at TOA from their zonally averages

BSRN vs. ISCCP Martin Wild, ETHZ Downward solarDownward atmospheric

Total radiative flux divergence 1991 to 1995

Summary for Radiation Products (from models, satellite data and computations with climate data) 1.At TOA: ALL (!!) radiation climatologies must use “same solar forcing”. Upward fluxes and CE-s need thorough validation vs. CERES and other space-based measurements. 2.At surface: Atmospheric transmittance and emittance: ISCCP > SRB; surface albedo and emission seasonally different; cloud effects: need comparison between measured and computed ! Use network data ! 3.Radiative flux divergence: Uncertainties are dominated by errors in the net budgets at both boundaries There is an urgent need to establish and accept scale dependent uncertainty and stability criteria for cloud and radiation products and data sets must be characterized accordingly. The next workshop should develop mechanisms for a steady quality control (also for correlative data).

Thanks to all contributors to the data sets E.R. enjoyed excellent hospitability in Sapporo, and at CCSR and at NIPR in Tokyo. GEWEX: develop and apply quality control procedures