Sensitivity of a two-dimensional convective model to turbulence parameterization
Nicolini, Matilde; Torres Brizuela, Marcela
Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Atmósfera, y cosechado de Revistas UNAM
dor_id: 11201
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561.#.#.u: https://www.atmosfera.unam.mx/
650.#.4.x: Físico Matemáticas y Ciencias de la Tierra
336.#.#.b: article
336.#.#.3: Artículo de Investigación
336.#.#.a: Artículo
351.#.#.6: https://www.revistascca.unam.mx/atm/index.php/atm/index
351.#.#.b: Atmósfera
351.#.#.a: Artículos
harvesting_group: RevistasUNAM
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270.1.#.d: México
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883.#.#.a: Revistas UNAM
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850.#.#.a: Universidad Nacional Autónoma de México
856.4.0.u: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8502/7972
100.1.#.a: Nicolini, Matilde; Torres Brizuela, Marcela
524.#.#.a: Nicolini, Matilde, et al. (2002). Sensitivity of a two-dimensional convective model to turbulence parameterization. Atmósfera; Vol. 15 No. 4, 2002. Recuperado de https://repositorio.unam.mx/contenidos/11201
245.1.0.a: Sensitivity of a two-dimensional convective model to turbulence parameterization
502.#.#.c: Universidad Nacional Autónoma de México
561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
264.#.0.c: 2002
264.#.1.c: 2009-10-05
653.#.#.a: Concetion; turbulence parameterization; modeling; CONCETION; TURBULENCE PARAMETERIZATION; MODELING
506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC 4.0 Internacional, https://creativecommons.org/licenses/by-nc/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico editora@atmosfera.unam.mx
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001.#.#.#: 022.oai:ojs.pkp.sfu.ca:article/8502
041.#.7.h: eng
520.3.#.a: The sensitivity of a bidimensional cloud model with an upgraded turbulence parameterization is tested. This model denoted as University of Buenos Aires model (UBA) has the ability to simulate a credible convective scenario in a real data case characterized by observed strong outflows. The main improvements have been made over the turbulence parameterization for the mixed phase microphysics using a first order turbulence closure. Four experiments were performed to accomplish this objective. Results show that the new turbulence parameterization affects the simulation of convection. The emphasis is in the representation of one of the significant features of the convective event used in this sensitivity test. Maximum surface wind speed corresponding to the strongest downdraft is better approached by the representation of a variable Km. In order to find out whether the sensitivity of the, UBA model to the turbulence parameterization is a peculiar characteristic of this model, the Advanced Regional Prediction System (ARPS) was also implemented to check results from the UBA model. ARPS model also shows sensitivity to the turbulence parameterization with a stronger impact. Compared with all 2-D experiments, the inclusion of the third dimension enhances the vertical motions but reduces the divergent outflows at the surface. The UBA model performance proves to be higher than the ARPS 2-D version in terms of convective outflow strength near the surface in this simulated case, at Resistencia airport. This result is encouraging and justifies future validation of the UBA model in other downburst cases in order to asses its capability as a prognostic tool in airport forecast activities.
773.1.#.t: Atmósfera; Vol. 15 No. 4 (2002)
773.1.#.o: https://www.revistascca.unam.mx/atm/index.php/atm/index
046.#.#.j: 2021-10-20 00:00:00.000000
022.#.#.a: ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236
310.#.#.a: Trimestral
264.#.1.b: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
handle: 13f2a8930a529f1d
harvesting_date: 2023-06-20 16:00:00.0
856.#.0.q: application/pdf
245.1.0.b: Sensitivity of a two-dimensional convective model to turbulence parameterization
last_modified: 2023-06-20 16:00:00
license_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode.es
license_type: by-nc
_deleted_conflicts: 2-a6723aafeca4e37f670b021f4e7394f7
Nicolini, Matilde; Torres Brizuela, Marcela
Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Atmósfera, y cosechado de Revistas UNAM
Nicolini, Matilde, et al. (2002). Sensitivity of a two-dimensional convective model to turbulence parameterization. Atmósfera; Vol. 15 No. 4, 2002. Recuperado de https://repositorio.unam.mx/contenidos/11201