Neutron probe calibration correction by temporal stability parameters of soil water content probability distribution;Correção da calibração de sondas de nêutrons por meio de parâmetros de estabilidade temporal da distribuição de probabilidade do conteúdo de água no solo

Scientia Agricola

Volumn 54, Issue Special Issue, 1997, Pages 17-21

  Reichardt, K ^a,d   Portezan, O ^b,d   Baccffl, O O S ^a,d   Oliveira, J C M ^a,d   Douradoneto, D ^a,d   Pilotto, J E ^a,d   Calvache, M ^c  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b STATE UNIVERSITY OF LONDRINA   (Brazil)

^c UNIVERSIDAD CENTRAL DEL ECUADOR   (Ecuador)

^d Depto de Agricuhura ESALQ/USP ^*

Author keywords

Calibration; Neutron probe; Soil water content; Spatial variability; Time stability

Indexed keywords

EID: 85010615285     PISSN: 01039016     EISSN: 1678992X     Source Type: Journal    
DOI: 10.1590/S0103-90161997000300003     Document Type: Article

References (6)

1. GREACEN, E.L. Soil water assessment by the neutron method. CSIRO, Adelaide. 1981. 140p
2. NIELSEN, D.R.; BIGGAR, J.W.; ERH, K.T. Spatial variability of field measured soil-water properties. Hilgardia, v.42, p.215-259, 1973
3. SIMMONS, C.S.; NIELSEN, D.R.; BIGGAR, J.W., Scaling of field measured soil-water properties. Hilgardia, v.47, p. 1-77, 1979
4. TURATTI, A.L.; VILLAGRA, M.M.; PONCE, I.E.; BACCHI, O.O.S.; REICHARDT, K. Soil spatial variability and its implications on the calibration of neutron probes. Revista Brasileira de Ciência do Solo, v.14,p.259-262, 1990
5. VACHAUD, G.; PASSERAT DE SILANS, A.; BALABANIS, P.; VAUCLIN, M. Temporal stability of spatially measured soil water probability density function. Soil Science Society of America Journal, v.49, p.822-828, 1985
6. VILLAGRA, M.M. Variation in space and time of hydrological components of the water balance: a study on an Oxisol in Brazil. Ph.D. Dissertation, University of Gent, Gent, 1992. 134p.