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hyporheic

hyporheic

9.9
Relating to the area under and beside a stream where river water meets water under the ground
  • adjective
  • /ˌhaɪpəˈriːɪk/
  • Specialized
: hiporéico
  • These processes may occur not only along the streambed but also in the hyporheic zone below and alongside the active channel.
  • hyporheic zone

Examples

  • Our analysis (Bomblies 1998) indicates that, in addition to being related to variation in meltwater generation associated with characteristics of the glacier, some of the interstream variation is related to stream length and geomorphology, which affect the storage of water in the hyporheic zone.

    Academic text (1999)
  • The hyporheic zone is crucial for nutrient cycling in river ecosystems as water mixes between the surface and subterranean layers.

  • Thus, dissolved nutrients can be released through hyporheic zone reactions.

    Academic text (1999)
  • Both the rapid exchange rates and the increasing volume through the summer indicate that hyporheic zone processes are potentially important in these stream ecosystems.

    Academic text (1999)
  • Comparison of hyporheic exchange rates among temperate and dry valley streams. The exchange rate is a measure of how fast water exchanges between the main stream channel and the hyporheic zone and is estimated from conservative tracer profiles.

    Academic text (1999)
  • The only direct links between the terrestrial, fluvial, and lacustrine ecosystems are the hyporheic zone along the margin of stream channels and the wetted soil along the lake shores.

    Academic text (1999)
  • Because much of the wood in freshwater systems is buried, it creates unique habitats for many hyporheic microbes and invertebrates (Anderson and Sedell 1979, Smock et al. 1992).

    Academic text (2000)
  • A role for hyporheic zones in biogeochemical cycling has been documented in many streams (e.g., Triska et al. 1993, Holmes et al. 1994, Jones et al. 1995, Mulholland et al. 1997).

    Academic text (1999)
  • Scientists study the hyporheic effects on water quality to understand how groundwater interacts with stream flow.

  • In healthy streams, the hyporheic region supports diverse microbial communities that contribute to the ecosystem's overall health.

Surface Forms

hyporheic positive

Morphology

hyporheic = rheic (semi-transparent) = hypo + rhe + ic

The structure is regular and the prefix hypo- is clear, but the technical base rheic and the hydrological sense are unlikely to be fully accessible to a general learner.

Etymology

Hyporheic comes from Greek parts hypo- 'under' and rheo 'flow', so it means 'under the flow'. That's why hyporheic describes the parts under and beside a stream where groundwater and surface water mix.