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The importance of accurate measurement of comminuted logging residues' moisture contents for small-scale forest owners

100%

Nilsson D., Pettersson R., Thornqvist T., Nylinder M.

Drewno. Prace Naukowe. Doniesienia. Komunikaty

2016

tom 59

nr 198

Scaling the hydraulic functions of a water repellent sandy soil

100%

Stoffregen H., Wessolek G.

International Agrophysics

2014

tom 28

nr 3

The heterogeneity of both unsaturated hydraulic conductivity and water retention was measured with a high spatial resolution on a transect using an evaporation method. Fifteen undisturbed 100 cm 3 soil cores were taken on a transect every 10 cm from the topsoil of a water repellent sandy site. Five dynamic water retention curves and four unsaturated conductivity curves were determined for each core. We conducted measurements without further saturation in the laboratory in order to achieve field-like conditions. The initial water contents were hetero- geneous, indicating different hysteretic conditions and water repellent areas. The scattering of the water retention curves was high, while the heterogeneity of unsaturated conductivity curves was unexpectedly low. Two scaling approaches were used to describe the heterogeneity: one with and one without considering hysteresis. The concept of scaling applies well to describing the heterogeneity of both hydraulic functions. Including hysteresis leads to similar results than excluding hysteresis. The distribution of the hydraulic conductivity and the water retention were inde- pendent from each other. The results give important information for numerical simulation of the water flow with heterogeneous hydraulic functions.

The use of diode lasers in non-surgical therapy of periodontitis

67%

Kulinska-Michalska M. M., Cwiklinska N., Lisiecka M., Czaplicka-Szydlik P., Lewkowicz N.

Journal of Pre-Clinical and Clinical Research

2020

tom 14

nr 4

Ograniczanie wyników

1 Drewno. Prace Naukowe. Doniesienia. Komunikaty

1 International Agrophysics

1 Journal of Pre-Clinical and Clinical Research

1 Cwiklinska N.

1 Czaplicka-Szydlik P.

1 Kulinska-Michalska M. M.

1 Lewkowicz N.

1 Lisiecka M.

1 Nilsson D.

1 Nylinder M.

1 Pettersson R.

1 Stoffregen H.

1 Thornqvist T.

1 Wessolek G.

1 2020

1 2016

1 2014

Wyniki wyszukiwania

The importance of accurate measurement of comminuted logging residues' moisture contents for small-scale forest owners

Scaling the hydraulic functions of a water repellent sandy soil

The use of diode lasers in non-surgical therapy of periodontitis