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| Experimental observations on fine sand winnowing from immobile gravel substrate 期刊论文 , 2020, 卷号: 142 作者: Khademishamami M.; Nardin W.
 收藏  |  浏览/下载:45/0  |  提交时间:2020/07/28 Gravel Normal distribution Probability density function Rivers Shear stress Critical shear stress Flow field measurement Management strategies Movement threshold Non-linear regression Roughness elements Static equilibrium conditions Velocity gradients Sand experimental study flow field flow velocity fluvial deposit gravel movement regression analysis sand sediment transport substrate threshold |
| Aboveground tree biomass prediction options for the Dry Afromontane forests in south-central Ethiopia 期刊论文 , 2020, 卷号: 473 作者: Asrat Z.; Eid T.; Gobakken T.; Negash M.
 收藏  |  浏览/下载:33/0  |  提交时间:2020/07/28 Biomass Covariance matrix Errors Forecasting Mean square error Tropics Aboveground tree biomass Covariance matrices Dry afromontane forests Leave-one-out cross validations Non-linear regression Root mean squared errors Species composition Sustainable forest management Forestry aboveground biomass decision making forest inventory forest management model validation montane forest prediction sampling tropical forest Ethiopia |
| Quantifying losses in productivity by the rust in eucalypt plantations in Brazil 期刊论文 , 2020, 卷号: 468 作者: Passos dos Santos A.; Lanças Gomes R.; Furtado E.L.; de Souza Passos J.R.
 收藏  |  浏览/下载:28/0  |  提交时间:2020/07/28 Forestry Regression analysis Scales (weighing instruments) Biotic factors Eucalypt plantations Eucalyptus plantations Generalized linear model Gross domestic products Linear regression models Non-linear regression Weighted averages Productivity abiotic factor biotic factor disease severity evergreen tree regression analysis rust disease Brazil Eucalyptus |
| Dust concentration over a semi-arid region: Parametric study and establishment of new empirical models 期刊论文 , 2020, 卷号: 243 作者: Najafpour N.; Afshin H.; Firoozabadi B.
 收藏  |  浏览/下载:33/0  |  提交时间:2020/07/28 Horizontal wells Radiometers Regression analysis Visibility Wind Dust concentrations Geological conditions Horizontal visibility Meteorological measurements Meteorological parameters Multivariate non-linear regression Nonlinear regression models Statistical parameters Dust aerosol composition air temperature concentration (composition) dust MODIS numerical model optical depth parameterization relative humidity semiarid region wind velocity Iran Tehran [Iran] Tehran [Tehran (PRV)] |
| Mixed-effects generalized height–diameter model for young silver birch stands on post-agricultural lands 期刊论文 , 2020, 卷号: 460 作者: Bronisz K.; Mehtätalo L.
 收藏  |  浏览/下载:24/0  |  提交时间:2020/07/28 Forecasting Nonlinear systems Random processes Silver Betula pendula Generalized models Mixed effects models Natural regeneration Non-linear model Quadratic mean diameter Random effects Regression equation Reforestation agricultural land basal area diameter forestry practice forestry production regeneration stand structure Betula Verrucosa Diameter Forecasts Height Models Natural Reforestation Random Processes Silver Poland [Central Europe] Betula pendula |