Banca de DEFESA: JEANE GALDINO FAUSTINO

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
DISCENTE : JEANE GALDINO FAUSTINO
DATA : 30/05/2017
HORA: 14:00
LOCAL: Sala de Seminários de Estatística do CCET
TÍTULO:

MICROMETEOROLOGICAL CHANGES CAUSED BY THE DESIDATION PROCESS IN SERIDÓ POTIGUAR

PALAVRAS-CHAVES:

Albedo; Energy Balance; Evaporative Fraction; Seridó Potiguar.

PÁGINAS: 120
GRANDE ÁREA: Ciências Exatas e da Terra
ÁREA: Geociências
SUBÁREA: Meteorologia
ESPECIALIDADE: Meteorologia Aplicada
RESUMO:

The change in soil cover causes changes in the energy balance and surface water balance. Inadequate soil use can lead to an advanced degradation condition, which is called a desertification process. In Brazil, there are several Desertification Nuclei, among which the Seridó Desertification Nucleus (RN-PB). Thus, the present work was based on the premise that the desertification process in the Seridó Potiguar (RN) region has possibly caused variability in surface temperature, albedo and energy and mass fluxes (evapotranspiration / evaporative fraction). To verify the changes resulting from this process, a descriptive / comparative analysis was performed between degraded area data and preserved Caatinga area (Seridó-ESEC Ecological Station). For this, a hybrid algorithm was used, which consists of parametrization of several algorithms such as SEBAL, SSEB, S-SEBI, and TM-Landsat 5 images, from orbit-points: 215/64, acquired free of charge Together with INPE - National Space Research Institute - under the condition of a clear sky, in the period 1995-2008. With this, it was observed that, due to the results for the studied period, there was stagnation of the heat flux in the soil (increase of 0.5%), an increase of the albedo, around 17% and 19%, with consequent decrease of the Radiation balance between 5% and 7%, and an increase in the evaporative fraction of 40% and 34% for the degraded area and ESEC, respectively, and the latter should be better analyzed, as it may have been influenced or even overestimated the effects Two extreme events (Drought in 1998 and rains higher than expected in 2008).

MEMBROS DA BANCA:
Presidente - 2086472 - BERGSON GUEDES BEZERRA
Interno - 1752417 - CLAUDIO MOISES SANTOS E SILVA
Interno - 1914304 - KELLEN CARLA LIMA
Interno - 1164414 - WEBER ANDRADE GONCALVES
Externo à Instituição - MADSON TAVARES SILVA - UEPB