NDLI: Simulation of monsoon intraseasonal variability in NCEP CFSv2 and its role on systematic bias

Content Provider	Springer Nature Link
Author	Goswami, Bidyut B. Deshpande, Medha Mukhopadhyay, P. Saha, Subodh K. Rao, Suryachandra A. Murthugudde, Raghu Goswami, B. N.
Copyright Year	2014
Abstract	We have evaluated the simulation of Indian summer monsoon and its intraseasonal oscillations in the National Centers for Environmental Prediction climate forecast system model version 2 (CFSv2). The dry bias over the Indian landmass in the mean monsoon rainfall is one of the major concerns. In spite of this dry bias, CFSv2 shows a reasonable northward propagation of convection at intraseasonal (30–60 day) time scale. In order to document and understand this dry bias over the Indian landmass in CFSv2 simulations, a two pronged investigation is carried out on the two major facets of Indian summer monsoon: one, the air–sea interactions and two, the large scale vertical heating structure in the model. Our analysis shows a possible bias in the co-evolution of convection and sea surface temperature in CFSv2 over the equatorial Indian Ocean. It is also found that the simulated large scale vertical heat source (Q1) and moisture sink (Q2) over the Indian region are biased relative to observational estimates. Finally, this study provides a possible explanation for the dry precipitation bias over the Indian landmass in the simulated mean monsoon on the basis of the biases associated with the simulated ocean–atmospheric processes and the vertical heating structure. This study also throws some light on the puzzle of CFSv2 exhibiting a reasonable northward propagation at the intraseasonal time scale (30–60 day) despite a drier monsoon over the Indian land mass.
Starting Page	2725
Ending Page	2745
Page Count	21
File Format	PDF
ISSN	09307575
Journal	Climate Dynamics
Volume Number	43
Issue Number	9-10
e-ISSN	14320894
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-02-19
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	GCM MISO Coupling Convective heating tendency Geophysics/Geodesy Climatology Oceanography
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Erratum to: Simulation of monsoon intraseasonal variability in NCEP CFSv2 and its role on systematic bias

Simulation of Indian summer monsoon intraseasonal oscillations in a superparameterized coupled climate model: need to improve the embedded cloud resolving model

Mean state and interannual variability of the Indian summer monsoon simulation by NCEP CFSv2

Erratum to: Simulation of monsoon intraseasonal variability in NCEP CFSv2 and its role on systematic bias

Influence of Eurasian snow on Indian summer monsoon in NCEP CFSv2 freerun

Predictability of global monsoon rainfall in NCEP CFSv2

Evaporation-precipitation variability over Indian Ocean and its assessment in NCEP Climate Forecast System (CFSv2)

Seasonal prediction of Indian summer monsoon rainfall in NCEP CFSv2: forecast and predictability error

Asian summer monsoon prediction in ECMWF System 4 and NCEP CFSv2 retrospective seasonal forecasts

Simulation of monsoon intraseasonal variability in NCEP CFSv2 and its role on systematic bias

Similar Documents

Erratum to: Simulation of monsoon intraseasonal variability in NCEP CFSv2 and its role on systematic bias

Simulation of Indian summer monsoon intraseasonal oscillations in a superparameterized coupled climate model: need to improve the embedded cloud resolving model

Mean state and interannual variability of the Indian summer monsoon simulation by NCEP CFSv2

Erratum to: Simulation of monsoon intraseasonal variability in NCEP CFSv2 and its role on systematic bias

Influence of Eurasian snow on Indian summer monsoon in NCEP CFSv2 freerun

Predictability of global monsoon rainfall in NCEP CFSv2

Evaporation-precipitation variability over Indian Ocean and its assessment in NCEP Climate Forecast System (CFSv2)

Seasonal prediction of Indian summer monsoon rainfall in NCEP CFSv2: forecast and predictability error

Asian summer monsoon prediction in ECMWF System 4 and NCEP CFSv2 retrospective seasonal forecasts

Simulation of monsoon intraseasonal variability in NCEP CFSv2 and its role on systematic bias