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Knipovich Ridge, 75 N

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Maximum or Single Reported Depth (mbsl): 
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Notes on Vent Field Description: 
Tamaki et al. (2001): "site in the southern part of the ridge ... with anomalies of LS, CH4, pH and ATP, seems the most promising for finding hydrothermal activity."; "higher strength hydrothermal anomalies identified by both the LSS sensor string and from chemical analyses of CTD 33 samples are coincident with an along-axis topographic low, lying in between adjacent, en echelon segment centers"; "the hydrothermal source we have identified appears to be hosted in tectonically dominated terrain reminiscent of serpentenizing ultramafic outcrops"
Notes Relevant to Biology: 
Year and How Discovered (if active, visual confirmation is listed first): 
2000 plume only
Discovery References (text): 
(plume only) Tamaki et al. (2001) Japan-Russia Cooperation at the Knipovich Ridge in the Arctic Sea. InterRidge News 10(1): 48-51
(plume only) Connelly, D.P. et al. (2007) Hydrothermal activity on the ultra-slow spreading southern Knipovich Ridge. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, VOL. 8, Q08013, doi:10.1029/2007GC001652.
Other References (text): 
Connelly, D.P. et al. (2002) Hydrothermal Plume Signals Along the Knipovich Ridge. American Geophysical Union, Fall Meeting 2002, abstract #T11A-1229.