Results 71 to 80 of about 5,840 (200)

Can local drain flow measurements be utilized to improve catchment scale modelling?

open access: yesJournal of Hydrology X
Tile drains constitute a shortcut from agricultural fields to surface water systems, significantly altering the transport pathways and fate of nitrate during transport. A correct representation of tile drainage flow is thus crucial for estimating nitrate
Ida Karlsson Seidenfaden   +4 more
doaj   +1 more source

Challenges in Road Construction and Timber Harvesting in Japan

open access: yesCroatian Journal of Forest Engineering, 2017
Japan Islands fundamentally consisted of the accretionary wedges. The stratum of accretionary wedges inclined, and it made dip slope and opposite slope.
Hideo Sakai
doaj  

The geology of the Strumble Head - Fishguard region, Dyfed, Wales [PDF]

open access: yes, 1979
An investigation was undertaken on the volcanic and volcaniclastic rocks forming the Fishguard Volcanic Group of Lower Ordovician age, which crop out in the Strumble Head - Fishguard area of Southwest Dyfed (North Pembrokeshire).\ud The nature of the lavas and volcaniclastic rocks suggests that this episode of vulcanicity was entirely subaqueous in ...
openaire  

A bedform phase diagram for dense granular currents Senior Lecturer in Geology Head of Geology, Lecturer Post doc researcher

open access: yes
Pyroclastic density currents are a life-threatening volcanic hazard. Our understanding and hazard assessments of these flows primarily rely on interpretations of their deposits. The occurrence of stratified layers, cross-stratification, and dune bedforms in these deposits has been assumed as indicative of dilute, turbulent, flows causing traction ...
Gregory Smith   +7 more
openaire   +1 more source

Investigation of variable aeration of monodisperse mixtures: implications for Pyroclastic Density Currents Head of Geology, Lecturer Senior Lecturer in Geology

open access: yes
The high mobility of dense pyroclastic density currents (PDCs) is commonly attributed to high gas pore pressures. However, the influence of spatial and temporal variations in pore pressure within PDCs has yet to be investigated. Theory suggests that variability in the fluidisation and aeration of a current will have a significant control on PDC flow ...
Gregory Smith   +3 more
openaire   +1 more source

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