Modeling uncertainties for passive microwave precipitation retrieval from space: Evaluation of a case study (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Modeling uncertainties for passive microwave precipitation retrieval from space: Evaluation of a case study (Articolo in rivista) (literal)

Anno

• 2006-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1109/FGRS.2005.860484 (literal)

Alternative label

• Alessandra Tassa 1; Sabatino Di Michele 2; Alberto Mugnai 1; Frank Silvio Marzano 3; Peter Bauer 2; José Pedro V. Poiares Baptista 4 (2006)
  Modeling uncertainties for passive microwave precipitation retrieval from space: Evaluation of a case study
  in IEEE transactions on geoscience and remote sensing; IEEE-Institute Of Electrical And Electronics Engineers Inc., Piscataway (Stati Uniti d'America)
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Alessandra Tassa 1; Sabatino Di Michele 2; Alberto Mugnai 1; Frank Silvio Marzano 3; Peter Bauer 2; José Pedro V. Poiares Baptista 4 (literal)

Pagina inizio

• 78 (literal)

Pagina fine

• 89 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url

• http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=1564397 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 44 (literal)

Rivista

• IEEE transactions on geoscience and remote sensing (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali

• 12 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 1 (literal)

Note

• Scopu (literal)
• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• 1 Istituto di Scienze dell'Atmosfera e del Clima, Consiglio Nazionale delle Ricerche, Roma, Italy. 2 European Centre for Medium-range Weather Forecasts, Reading, U.K. 3 Department of Electronic Engineering, University \"La Sapienza\" of Rome, Rome, Italy & Centro di Eccellenza CETEMPS, Università dell'Aquila, L'Aquila, Italy. 4 ESTEC-European Space Agency, Noordwijk, The Netherlands. (literal)

Titolo

• Modeling uncertainties for passive microwave precipitation retrieval from space: Evaluation of a case study (literal)

Abstract

• Physically based microwave spaceborne techniques for rainfall retrieval are usually trained by simulated cloud-radiation databases (CRDs) composed of cloud profiles and associated brightness temperatures (TBs). When generating the database, the evaluation of the associated modeling uncertainties is crucial for retrieval error estimation. However, this is extremely complex due to the large number of free parameters. In this work, a possible methodology for taking into account CRD-related modeling uncertainties is proposed. The methodology--fairly general--is here applied to a limited dataset (a cloud-model resolved numerical output of a tropical cyclone). The modeling errors are obtained from systematic TB sensitivity tests associated to several parameters: particle sizes, temperature, ice content, sea surface wind speed, viewing angle, footprint size, radiative transfer schemes, melting phase, and particle shape. TB uncertainties are eventually summarized in a modeling error covariance matrix representing the intrinsic variability of the generated CRD. For comparison with real observations, the TBs are simulated at the spatial resolution, viewing geometry and frequencies of the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI). The matrix is evaluated with respect to TMI data in terms of an indicator called database matching index. Since they are based on a single case study and suffer from the lack of direct coupling of the radiative transfer with the cloud-resolving model, the provided results should not be considered an exhaustive evaluation of cloud-radiation modeling errors. Nevertheless, they may be considered a valuable starting point for error characterization, since extensions to larger databases could definitely improve modeling error budgets. (literal)

Editore

• IEEE-Institute Of Electrical And Electronics Engineers Inc. (Editore)

Prodotto di

• Tecniche a microonde attive e passive (TA.P06.008.002) (Modulo)
• Institute of atmospheric sciences and climate (ISAC) (Istituto)

Autore CNR

• ALBERTO MUGNAI (Unità di personale interno)

Insieme di parole chiave

• Parole chiave di "Modeling uncertainties for passive microwave precipitation retrieval from space: Evaluation of a case study" (Insieme di parole chiave)

Incoming links:

Prodotto

• Institute of atmospheric sciences and climate (ISAC) (Istituto)
• Tecniche a microonde attive e passive (TA.P06.008.002) (Modulo)

Autore CNR di

• ALBERTO MUGNAI (Unità di personale interno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• IEEE transactions on geoscience and remote sensing (Rivista)

Editore di

• IEEE-Institute Of Electrical And Electronics Engineers Inc. (Editore)

Insieme di parole chiave di

• Parole chiave di "Modeling uncertainties for passive microwave precipitation retrieval from space: Evaluation of a case study" (Insieme di parole chiave)