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José Marengo   Dr.  Other 
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José Marengo published an article in June 2017.
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Alexander G. Gray

148 shared publications

Roberto Greco

80 shared publications

Luciana Rossato

11 shared publications

Yizhou Zhuang

10 shared publications

7
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(2014 - 2017)
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Article 0 Reads 2 Citations Meteorological context of the onset and end of the rainy season in Central Amazonia during the GoAmazon2014/5 Jose A. Marengo, Gilberto F. Fisch, Lincoln M. Alves, Natana... Published: 26 June 2017
Atmospheric Chemistry and Physics, doi: 10.5194/acp-17-7671-2017
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The onset and demise of the rainy season in Amazonia are assessed in this study using meteorological data from the GoAmazon experiment, with a focus on the 2014–2015 rainy season. In addition, global reanalyses are also used to identify changes in circulation leading to the establishment of the rainy season in the region. Our results show that the onset occurred in January 2015, 2–3 pentads later than normal, and the rainy season during the austral summer of 2015 contained several periods with consecutive dry days in both Manacapuru and Manaus, which are not common for the wet season, and resulted in below-normal precipitation. The onset of the rainy season has been strongly associated with changes in large-scale weather conditions in the region due to the effect of the Madden–Julian Oscillation (MJO). Regional thermodynamic indices and the height of the boundary layer did not present a significant difference between the onset and demise of the wet season of 2015. This suggests that local changes, such as those in the regional thermodynamic characteristics, may not have influenced its onset. Thus, variability of the large-scale circulation was responsible for regional convection and rainfall changes in Amazonia during the austral summer of 2014–2015.
Article 0 Reads 0 Citations A globally deployable strategy for co-development of adaptation preferences to sea-level rise: the public participation ... Jose A. Marengo, Luci H. Nunes, Celia R. G. Souza, Frank Mul... Published: 09 April 2017
Natural Hazards, doi: 10.1007/s11069-017-2855-x
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Sea-level rise (SLR) poses a range of threats to natural and built environments in coastal zones around the world. Assessment of the risks due to exposure and sensitivity of coastal communities to coastal flooding is essential for informed decision-making. Strategies for public understanding and awareness of the tangible effects of climate change are fundamental in developing policy options. A multidisciplinary, multinational team of natural and social scientists from the USA, the UK, and Brazil developed the METROPOLE Project to evaluate how local governments may decide between adaptation options associated with SLR projections. METROPOLE developed a participatory approach in which public actors engage fully in defining the research problem and evaluating outcomes. Using a case study of the city of Santos, in Brazil, METROPOLE developed a method for evaluating risks jointly with the community, comparing ‘no-action’ to ‘adaptation’ scenarios. At the core of the analysis are estimates of economic costs of the impact of floods on urban real estate under SLR projections through 2050 and 2100. Results helped identify broad preferences and orientations in adaptation planning, which the community, including the Santos municipal government, co-developed in a joint effort with natural and social scientists.
Article 0 Reads 0 Citations Impact of soil moisture over Palmer Drought Severity Index and its future projections in Brazil Luciana Rossato, José Antônio Marengo, Carlos Frederico de A... Published: 01 January 2017
RBRH, doi: 10.1590/2318-0331.0117160045
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Soil moisture is a main factor for the study of drought impacts on vegetation. Drought is a regional phenomenon and affects the food security more than any other natural disaster. Currently, the monitoring of different types of drought is based on indexes that standardize in temporal and regional level allowing, thus, comparison of water conditions in different areas. Therefore, in order to assess the impact of soil moisture during periods of drought, drought Palmer Severity Index was estimated for the entire region of the territory. For this were used meteorological data (rainfall and evapotranspiration) and soil (field capacity, permanent wilting point and water storage in the soil). The data field capacity and wilting point were obtained from the physical properties of soil; while the water storage in soil was calculated considering the water balance model. The results of the PSDI were evaluated during the years 2000 to 2015, which correspond to periods with and without occurrence of drought. In order to assess the future drought projections, considering the set of the Coupled Model Intercomparison rainfall data Project Phase 5 (CMIP5). Climate projections precipitation in CMIP5 for the period 2071-2100 was extracted generating entitled forcing scenarios Representative Concentration Pathways - RCPs, and referred to as RCOP 8.5, corresponding to an approximate radiative forcing the end the twenty-first century of 8.5 Wm -2 . The results showed that the PDSI is directly associated with climatological patterns of precipitation and soil moisture in any spatial and temporal scale (including future projections). Therefore, it is concluded that the PDSI is an important index to assess soil moisture different water conditions, as well as the association with economic and social information to create risk maps for subsidies to decision makers. Keywords: Soil moisture; Palmer Drought Severity Index; Future projections; Brazil
Article 0 Reads 12 Citations Drought in Northeast Brazil—past, present, and future Jose A. Marengo, Roger Rodrigues Torres, Lincoln Muniz Alves Published: 09 June 2016
Theoretical and Applied Climatology, doi: 10.1007/s00704-016-1840-8
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This study provides an overview of the drought situation in Northeast Brazil for the past, present, and future. Droughts affect more people than any other natural hazard owing to their large scale and long-lasting nature. They are recurrent in the region and while some measures have been taken by the governments to mitigate their impacts, there is still a perception that residents, mainly in rural areas, are not yet adapted to these hazards. The drought affecting the Northeast from 2012 to 2015, however, has had an intensity and impact not seen in several decades and has already destroyed large swaths of cropland, affecting hundreds of cities and towns across the region, and leaving ranchers struggling to feed and water cattle. Future climate projections for the area show large temperature increases and rainfall reductions, which, together with a tendency for longer periods with consecutive dry days, suggest the occurrence of more frequent/intense dry spells and droughts and a tendency toward aridification in the region. All these conditions lead to an increase in evaporation from reservoirs and lakes, affecting irrigation and agriculture as well as key water uses including hydropower and industry, and thus, the welfare of the residents. Integrating drought monitoring and seasonal forecasting provides efficient means of assessing impacts of climate variability and change, identifying vulnerabilities, and allowing for better adaptation measures not only for medium- and long-term climate change but also for extremes of the interannual climate variability, particularly droughts.
BOOK-CHAPTER 0 Reads 1 Citation Extreme Seasonal Climate Variations in the Amazon Basin: Droughts and Floods José A. Marengo, Earle R. Williams, Lincloln M. Alves, Wagne... Published: 01 January 2016
Ecological Studies, doi: 10.1007/978-3-662-49902-3_4
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BOOK-CHAPTER 0 Reads 0 Citations Climate Change Scenarios in the Pantanal Jose A. Marengo, Gilvan S. Oliveira, Lincoln M. Alves Published: 01 January 2015
The Handbook of Environmental Chemistry, doi: 10.1007/698_2015_357
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