Results 151 to 160 of about 212,065 (337)

Waterlogging and salinity management in the Sindh Province. Volume 1 - The irrigated landscape: resource availability across the hydrological divides [PDF]

open access: yes
Irrigation management / River basins / Irrigated farming / Climate / Irrigation systems / Irrigation canals / Discharges / Water balance / Waterlogging / Salinity / Groundwater development / Tube wells / Water table / Drainage / Public sector / Land ...
Almas, A. S.   +6 more
core  

New species and new records in Agarista (Ericaceae) from the Peruvian Andes

open access: yesNordic Journal of Botany, EarlyView.
Agarista (Ericaceae) is currently represented in Peru by three species. Here, we update this number to five, adding new taxa based on the recognition of a taxonomic novelty and new records. The new species Agarista eugeniifolia differs from all congeneric species by an abaxially sulcate midvein.
Claudenice Hilda Dalastra   +3 more
wiley   +1 more source

Modeling water resources management at the basin level: review and future directions [PDF]

open access: yes
Water quality / Water resources development / Agricultural production / River basin development / Mathematical models / Simulation models / Water allocation / Policy / Economic aspects / Hydrology / Reservoir operation / Groundwater management / Drainage
Cai, X.   +4 more
core  

Large‐scale hydro‐climatology of the terrestrial Arctic drainage system [PDF]

open access: yes, 2002
The large‐scale hydro‐climatology of the terrestrial Arctic drainage system is examined, focusing on the period 1960 onward. Special attention is paid to the Ob, Yenisey, Lena, and Mackenzie watersheds, which provide the bulk of freshwater discharge to ...
Bromwich, David H.   +5 more
core   +1 more source

Multi‐scale geophysical imaging of neotectonic fault activity in the northern Upper Rhine Graben, Germany

open access: yesNear Surface Geophysics, EarlyView.
Abstract A comprehensive multi‐method geophysical strategy is used to investigate two faults in the Northern Upper Rhine Graben. Combining industrial 3D seismic data with our own 2D P‐ and S‐wave seismic, electrical resistivity tomography (ERT) and ground‐penetrating radar (GPR), we created comprehensive subsurface images of the faults. 3D seismic data
Johannes Mair   +4 more
wiley   +1 more source

Estrutura das comunidades de macroalgas da bacia de drenagem do rio Cascavel, Estado do Paraná, Brasil

open access: yesHoehnea
A bacia de drenagem do rio Cascavel encontra-se quase que inteiramente dentro do perímetro urbano do município de Guarapuava, Estado do Paraná, Brasil. Foram amostrados sete segmentos de riachos em duas estações do ano (verão e inverno).
Rogério Antonio Krupek   +1 more
doaj   +1 more source

Record Russian river discharge in 2007 and the limits of analysis [PDF]

open access: yes, 2009
The Arctic water cycle has experienced an unprecedented degree of change which may have planetary-scale impacts. The year 2007 in particular not only was unique in terms of minimum sea ice extent in the Arctic Ocean but also was a record breaking year ...
Lammers, Richard B.   +1 more
core   +1 more source

The 10% Rule in Sentinel Node Biopsy: Is Removal of All Threshold Nodes Necessary?

open access: yesOtolaryngology–Head and Neck Surgery, EarlyView.
Abstract Objective Sentinel lymph node biopsy (SLNB) procedures have been guided by the “10% rule,” which stipulates that any lymph node (LN) with gamma probe activity (GPA) measured at 10% of the most radioactive sentinel lymph nodes (SLNs) should be excised.
Jake Langlie   +5 more
wiley   +1 more source

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