'Observation operator' presentation slideshows

Assimilation of GPS Radio Occultation Data

Assimilation of GPS Radio Occultation Data. Ying-Hwa Kuo UCAR COSMIC Office NCAR MMM Division. Outline. Characteristics of GPS radio occultation observation Factors affecting the results of GPS RO assimilation Practical considerations for the GPS RO assimilation:

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Assimilating Earth Observation Data into VEGETATION MODELS

505 views • 39 slides

293 views • 29 slides

Ensemble Kalman filter data assimilation for the MPAS system

Ensemble Kalman filter data assimilation for the MPAS system. So-Young Ha National Center for Atmospheric Research. The 6 th EnKF Workshop, May 18-22, 2014. Collaborators Chris Snyder, Bill Skamarock , Michael Duda , Laura Fowler in MMM/NCAR

477 views • 24 slides

Model error issues: microphysics errors

Model error issues: microphysics errors. 10/18/2011 Youngsun Jung and Ming Xue CAPS/OU with help from Tim Supinie. Source of errors . Observation error: Non- Gaussianity , inaccurate observations error variance, none-zero observation error correlation, etc. Observation operator error

377 views • 23 slides

Progress in the joint HIRLAM/ALADIN mesoscale data assimilation activities

400 views • 20 slides

Progress in the joint HIRLAM/ALADIN mesoscale data assimilation activities

203 views • 20 slides

Initializing a Hurricane Vortex with an EnKF

MMM / NCAR. Initializing a Hurricane Vortex with an EnKF. Yongsheng Chen Chris Snyder. Hurricane Prediction. Yearly-average 24-h track forecast error ~ 150 km Initialization --- Challenge Vortex bogusing and relocation 3DVar, 4DVar Ensemble Kalman filter (EnKF)

306 views • 19 slides

Milija Zupanski CIRA Colorado State University (E-mail: ZupanskiM@CIRA.colostate)

ARMY Research Lab and CIRA/CSU Collaboration on Assessing the value of ensemble based data assimilation/forecasting system in Army microscale meteorological applications. Milija Zupanski CIRA Colorado State University (E-mail: ZupanskiM@CIRA.colostate.edu).

417 views • 18 slides

Observation impact in East Asia and western North Pacific regions using WRF-FSO system

298 views • 15 slides

NASA GEOS-3/TRMM Re-Analysis:

NASA GEOS-3/TRMM Re-Analysis: Capturing Observed Rainfall Variability in Global Analysis Arthur Hou NASA Goddard Space Flight Center. 2 nd IPWG Workshop, Naval Research Laboratory Monterey, CA, 25-28 October 2004. Scope of talk.

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WP 3: DATA ASSIMILATION SMHI/FMI Status report

WP 3: DATA ASSIMILATION SMHI/FMI Status report 3rd CARPE DIEM meeting, University of Essex, Colchester, 9-10 January 2003. Structure SMHI/FMI plans for work and deliverables HIRLAM 3D-Var radar wind assimilation Status Future plans. WP 3: Data assimilation (30 pm):

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Hayder Salman Department of Mathematics UNC-Chapel Hill

Towards Nonlinear Filtering in Lagrangian Data Assimilation. Hayder Salman Department of Mathematics UNC-Chapel Hill. Collaborators: Chris Jones, Kayo Ide. Sponsored by. The augmented approach for Lagrangian Data Assimilation (LaDA) :.

202 views • 6 slides

Strong relation between max updraft speed and total flash rate at model

Assimilation of Lightning In WRF Using 1-D + 4-D VAR H. Fuelberg, I. Navon , R. Stefanescu , M. Marchand Florida State University. Strong relation between max updraft speed and total flash rate at model resolution of 1 km ( Barthe et al. 2010)

108 views • 3 slides

Representation Error

Representation Error. There is no difference between representation, representivity , and representativeness. How should representation error be defined? Observation operator error (misspecification of H) Scale mismatch.

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Data assimilation in fluid dynamics

Data assimilation in fluid dynamics. PhD Candidate: Iliass Azijli Department : AWEP Section: Aerodynamics Supervisor: R.P. Dwight Promoter: H. Bijl Start date: 01-12-2011 Funding: TNO Cooperations: TNO & IIT Madras. Raw Simulation (DNS). Raw Measurement. 1. 3. 4. 2.

169 views • 1 slides