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Marcelo Zeri, Regina Célia S

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Presentation on theme: "Marcelo Zeri, Regina Célia S"— Presentation transcript:

1 Monitoring of soil moisture for drought risk assessment over the Brazilian semiarid region
Marcelo Zeri, Regina Célia S. Alvalá, Rogério Carneiro, Gisleine Cunha-Zeri, José Maria Costa, Domingos Urbano, and José Marengo National center for monitoring and early warning of natural disasters (Cemaden) - brazil

2 The Brazilian semiarid
Areas over 10 states 23 million inhabitants Lowest HDI in the country Long history of droughts and vulnerability

3 Monitoring of soil moisture
Full implementation in 2016 Platforms of data collection (PCD) Agro Air temperature Relative Humidity Rainfall Wind direction and speed Solar radiation Net radiation Soil temperature (4 depths) Soil moisture (4 depths) Acqua Soil moisture (2 depths) Cellular network data transmission “Rural” network

4 Applications Real time monitoring of soil moisture and Soil Moisture Index: current status and recent trends Monthly average for long-term diagnostic of drought Comparison with satellite estimates

5 Soil Moisture Index (SMI)
Also known as Available Water Capacity, or Relative Extractable Water Normalization of soil moisture by the available water Use of field capacity and wilting point from soil samples

6 Recent trends in soil moisture
Zeri, M., S. Alvalá, R., Carneiro, R., Cunha-Zeri, G., Costa, J., Rossato Spatafora, L., Urbano, D., Vall-Llossera, M., Marengo, J., Tools for Communicating Agricultural Drought over the Brazilian Semiarid Using the Soil Moisture Index. Water 10.

7 Monthly average of SMI Average for each state’s sub-regions
Currently being presented in monthly bulletins of drought conditions

8 Support to remote sensing tools – January 2019
SMI Anomaly of Vegetation Supply Water Index (VSWI)* * Cunha, A.P.M., Alvalá, R.C., Nobre, C.A., Carvalho, M.A., Monitoring vegetative drought dynamics in the Brazilian semiarid region. Agric. For. Meteorol. 214–215, 494–505.

9 Comparison with satellite estimates
Ongoing collaboration with Luciana Rossato, PhD, et al. (Universitat Politècnica de Catalunya, IEEC/UPC and SMOS Barcelona Expert Centre)

10 Future prospects Funding for maintenance
Development of interactive visualization tools Download of data Inclusion in Integrated Drought Index currently available at Refinement of stations locations Inclusion of new locations over new “official” semiarid areas

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