Search Results - "Alvalá, Regina C S"

Calibration and Validation of the Integrated Biosphere Simulator (IBIS) for a Brazilian Semiarid Region by Cunha, Ana Paula M. A., Alvalá, Regina C. S., Sampaio, Gilvan, Shimizu, Marília Harumi, Costa, Marcos Heil

“…The reliability of predictions from climate and weather models is linked to an adequate representation of the land surface processes. To evaluate performance…”
Get full text

Use of SMOS L3 Soil Moisture Data: Validation and Drought Assessment for Pernambuco State, Northeast Brazil by Souza, Alzira, Neto, Alfredo, Rossato, Luciana, Alvalá, Regina, Souza, Laio

“…The goal of this study was to validate soil moisture data from Soil Moisture Ocean Salinity (SMOS) using two in situ databases for Pernambuco State, located in…”
Get full text

Drought monitoring in the Brazilian Semiarid region by Alvalá, Regina C S, Cunha, Ana Paula M A, Brito, Sheila S B, Seluchi, Marcelo E, Marengo, José A, Moraes, Osvaldo L L, Carvalho, Magog A

“…Drought is a natural and recurrent phenomenon. It is considered 'a natural disaster' whenever it occurs in an intensive manner in highly populated regions,…”
Get full text

Importance of including soil moisture in drought monitoring over the Brazilian semiarid region: An evaluation using the JULES model, in situ observations, and remote sensing by Zeri, Marcelo, Williams, Karina, Cunha, Ana Paula M. A., Cunha‐Zeri, Gisleine, Vianna, Murilo S., Blyth, Eleanor M., Marthews, Toby R., Hayman, Garry D., Costa, José Maria, Marengo, José A., Alvalá, Regina C. S., Moraes, Osvaldo L. L., Galdos, Marcelo V.

“…Soil moisture information is essential to monitoring of the intensity of droughts, the start of the rainy season, planting dates and early warnings of yield…”
Get full text

Drought in Northeast Brazil: A review of agricultural and policy adaptation options for food security by Marengo, Jose A., Galdos, Marcelo V., Challinor, Andrew, Cunha, Ana Paula, Marin, Fabio R., Vianna, Murilo dos Santos, Alvala, Regina C. S., Alves, Lincoln M., Moraes, Osvaldo L., Bender, Fabiani

“…The semiarid lands of Northeast Brazil represent one of the most densely populated regions of the country. Rainfall variability together with land degradation…”
Get full text

Climatic characteristics of the 2010-2016 drought in the semiarid Northeast Brazil region by Marengo, José A, Alves, Lincoln M, Alvala, Regina C S, Cunha, Ana Paula, Brito, Sheila, Moraes, Osvaldo L L

“…This study discusses the climatological aspects of the most severe drought ever recorded in the semiarid region Northeast Brazil. Droughts are recurrent in the…”
Get full text

Assessing drought in the drylands of northeast Brazil under regional warming exceeding 4 °C by Marengo, Jose A., Cunha, Ana Paula M. A., Nobre, Carlos A., Ribeiro Neto, Germano G., Magalhaes, Antonio R., Torres, Roger R., Sampaio, Gilvan, Alexandre, Felipe, Alves, Lincoln M., Cuartas, Luz A., Deusdará, Karinne R. L., Álvala, Regina C. S.

“…Historically, during periods of extreme drought, food security in the drylands of the semiarid region of Northeast Brazil (NEB) is under severe risk due to…”
Get full text

Improving drought management in the Brazilian semiarid through crop forecasting by Martins, Minella A., Tomasella, Javier, Rodriguez, Daniel A., Alvalá, Regina C.S., Giarolla, Angélica, Garofolo, Lucas L., Júnior, José Lázaro Siqueira, Paolicchi, Luis T.L.C., Pinto, Gustavo L.N.

“…In this paper, we evaluated the performance of the model AquaCrop for crop yield forecasting in the Brazilian semiarid (BSA) using meteorological observation…”
Get full text