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water fluxes
Common Physical Errors in the Description of Water Fluxes in the Soil-Plant-Atmosphere System
      
Widely accepted concepts and definitions concerning the driving forces of upward water fluxes, such as osmotic pressure (OP) and water potential (WP), were analyzed in the soil-plant-atmosphere system.
      
It is demonstrated that WP is not a driving force for water fluxes at the water-vapor interface.
      
Plasmodesmata as a Modulator of Osmotic Water Fluxes in Plants
      
Taking into account the presence of sphincters in the neck constrictions, our data suggest the role of plasmodesmata as a modulator of osmotic water fluxes in plants.
      
They may affect water fluxes through guard cell membranes in different ways, i.e., Hg2+, Pb2+, and Zn2+ inhibit water channels, whereas La3+ block ion channels.
      
Water channels may be involved in stomatal movements by regulating water fluxes and play a dominant and primary role in stomatal movements.
      
Detailed observations of daily carbon and water fluxes made at the upland oak forest on the Walker Branch Watershed in Tennessee, USA offered a unique opportunity for these comparisons.
      
The contribution of melt water to the water fluxes in the Second Songhua River basin is distinct: the water flow in April increases remarkably, reaches the peak in the upper reaches.
      
Sediment-water fluxes of N and P species in the Bohai Sea were investigated in September-October 1998 and April-May 1999.
      
Laboratory studies showed that resuspension changes the diffusive sediment water fluxes of nutrients, oxygen consumption, and penetration into the sediment.
      
Sediment-water fluxes of nutrients in an Antarctic coastal environment: influence of bioturbation
      
Dye tracer experiments demonstrated that interfacial water fluxes around ice bulges are by a factor of 10-100 higher than published indirect estimates based on algal nutrient demands in flat fast ice.
      
Ligaturing the eyestalks does not change the diffusional water fluxes, but considerably increases the water netfluxes.
      
1.Water fluxes (as3H2O) across the permeable (gill) integument have been measured in the freshwater amphipod (Corophium curvispinum.
      
Laboratory studies documented cuticle water fluxes high enough (≈ 5mg · cm-2 · h-1 in dry air at 40°C) to result in a significant degree of passive evaporative cooling, but the ability of M.
      
When the esophagus was bathed in normal Ringer solutions on both sides no net ion and water fluxes were observed.
      
Gross sodium and water fluxes in brackish water are very similar to those in other crocodilians, suggesting differences in integumental permeability are not a major influence on osmoregulatory differences between crocodilians.
      
With mixed boundary conditions (fixed air temperature and fixed surface fresh water fluxes) the response is characterized by a completely different oceanic heat transport than in the reference case.
      
Similar results hold for a model grid point adjacent to Papa, where the relationships between atmospheric energy and water fluxes and actual changes in SST and SSS are what is expected from local linear stochastic theory.
      
 

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