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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
19/12/2023 |
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Data da última atualização: |
19/12/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FERREIRA, F. L. V.; RODRIGUES, L. N.; ALTHOFF, D.; AMORIM, R. S. S. |
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Afiliação: |
FERNANDA LAURINDA VALADARES FERREIRA, Federal University of Viçosa; LINEU NEIVA RODRIGUES, CPAC; DANIEL ALTHOFF, Universitetsvägen 10A, Sweden; RICARDO SANTOS SILVA AMORIM, Federal University of Viçosa. |
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Título: |
Spatial-temporal variability of climatic water balance in the Brazilian Savannah region river basins. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Water (Basel), v. 15, n. 10, 1820, 2023. |
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DOI: |
doi.org/10.3390/w15101820 |
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Idioma: |
Inglês |
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Conteúdo: |
The evaluation of water and energy cycles from the estimation of water balance is a fundamental instrument to assess the water potential of a region. Thus, the objective of this study was to evaluate the probable monthly water deficit and surplus in Cerrado river basins and the trend of monthly data on climatic water balance (CWB) and its input variables in the study region. Monthly data on precipitation (P) and reference evapotranspiration (ETo) from January 2003 to December 2019 were used. The deficit and the probable monthly water surplus were obtained from the CWB for each of the 4531 ottobasins. For this, the frequency equal to or greater than 80% of permanence in time was used as a reference. Trend analysis was applied. In the rainy season, most ottobasins showed positive CWB. On the other hand, in the period of lower water availability, most ottobasins showed a negative balance. In all months, there was some ottobasin with a significant trend both for CWB and for P and ETo. In most situations, these trends were a decrease in CWB and monthly P and an increase in monthly ETo. |
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Palavras-Chave: |
Brazilian Savannah; Stationarity; Water availability. |
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Thesaurus Nal: |
Water management. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1159961/1/water-15-01820.pdf
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Marc: |
LEADER 01763naa a2200217 a 4500
001 2159961
005 2023-12-19
008 2023 bl uuuu u00u1 u #d
024 7 $adoi.org/10.3390/w15101820$2DOI
100 1 $aFERREIRA, F. L. V.
245 $aSpatial-temporal variability of climatic water balance in the Brazilian Savannah region river basins.$h[electronic resource]
260 $c2023
520 $aThe evaluation of water and energy cycles from the estimation of water balance is a fundamental instrument to assess the water potential of a region. Thus, the objective of this study was to evaluate the probable monthly water deficit and surplus in Cerrado river basins and the trend of monthly data on climatic water balance (CWB) and its input variables in the study region. Monthly data on precipitation (P) and reference evapotranspiration (ETo) from January 2003 to December 2019 were used. The deficit and the probable monthly water surplus were obtained from the CWB for each of the 4531 ottobasins. For this, the frequency equal to or greater than 80% of permanence in time was used as a reference. Trend analysis was applied. In the rainy season, most ottobasins showed positive CWB. On the other hand, in the period of lower water availability, most ottobasins showed a negative balance. In all months, there was some ottobasin with a significant trend both for CWB and for P and ETo. In most situations, these trends were a decrease in CWB and monthly P and an increase in monthly ETo.
650 $aWater management
653 $aBrazilian Savannah
653 $aStationarity
653 $aWater availability
700 1 $aRODRIGUES, L. N.
700 1 $aALTHOFF, D.
700 1 $aAMORIM, R. S. S.
773 $tWater (Basel)$gv. 15, n. 10, 1820, 2023.
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Registro original: |
Embrapa Cerrados (CPAC) |
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| 10. | | AIRES, U. R. V.; SILVA, D. D. da; FERNANDES FILHO, E. I.; RODRIGUES, L. N.; ULIANA, E. M.; AMORIM, R. S. S.; RIBEIRO, C. B. de M.; CAMPOS, J. A. Machine learning-based modeling of surface sediment concentration in Doce river basin. Journal of Hydrology, v. 619, 2023. e129320.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| 11. | | SILVA, L. de C. M. da; PEIXOTO, D. S.; GOMES, J. B. V.; AVANZI, J. C.; AMORIM, R. S. S.; BORGHI, E.; RESENDE, A. V. de; SILVA, B. M.; MANCINI, M.; CURI, N. Mineralogy and pore size distribution of clayey Oxisols with granular structure and the effect of management systems. Soil & Tillage Research, v. 223, 105479, 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| 12. | | AIRES, U. R. V.; SILVA, D. D. da; FERNANDES FILHO, E. I.; RODRIGUES, L. N.; ULIANA, E. M.; AMORIM, R. S. S.; RIBEIRO, C. B. de M.; CAMPOS, J. A. Modeling of surface sediment concentration in the Doce River basin using satellite remote sensing. Journal of Environmental Management, v. 323, 2022. 15 p.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| Registros recuperados : 12 | |
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