Hydrothermal Vents

403670265506

403670265506

38188_554200380873_7725982_n

38188_554200380873_7725982_n

V #Falkor. Lots of set up action

V #Falkor. Lots of set up action

Because I love _rbeinart

Because I love _rbeinart

Hello old friend, it's been far too long.jpg #rvatlantis #whoi #whereitallbegan  #kfunkthebeginning

Hello old friend, it's been far too long.jpg #rvatlantis #whoi #whereitallbegan #kfunkthebeginning

123233165506

123233165506

SubSea1.20100718_213202

SubSea1.20100718_213202

6933_1204731647506_1730881_n

6933_1204731647506_1730881_n

SubSea2.20100718_173724

SubSea2.20100718_173724

profile+pict

profile+pict

SubSea1.20100718_173023

SubSea1.20100718_173023

SubSea2.20100718_212702

SubSea2.20100718_212702

612546884606

612546884606

SubSea2.20100718_213232

SubSea2.20100718_213232

    Hydrothermal vents are one of the most extreme environments on our planet. Hydrothermal vents are ubiquitous across the globe, discovered on nearly every ocean ridge explored to date and feature majority of the earths volcanic activity. Vents form along spreading axis, where two techtonic plates are moving apart from one anther to form new oceanic crust.  Along these ridges, seawater is entrained in porous regions along the ridge flanks, geothermally heated and chemically altered by reaction with the crust.  During this process magnesium and sulfate are removed, fluid is reduced and enriched in metals and dissolved gases. Eventually the acidic, reduced hydrothermal fluid gains sufficient heat to increase its buoyancy and rises to the surface.  When this hot reduced hydrothermal fluid mixes with cold oxic seawater complex mineral precipitates form at the sea floor forming hydrothermal chimneys.  

    The unique geochemical characteristics of hydrothermal vents enable these environments to support thriving, dense and diverse populations of organisms. Here, chemoautotrophic microbes–those which fix carbon via the energy derived from the oxidation of reduced chemicals–form the base of the ecosystem.  The metabolic processes occurring within these systems may be analogs of the first living systems to evolve on Earth and ecosystems on other planets. Understanding the microbial communities’ activities within hydrothermal environments will aid in the understanding of when and where life may have evolved on a hot early Earth; the depth to which life may exist in the Earth’s subsurface; and the potential for life in extraterrestrial environments. 

Research Interests:
Study Sites:

Environmental drivers of microbial dynamics

Microbial impact on biogeochemical cycles

Relationships between thermodynamic and kinetic metabolic processes

Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana FrankHawaii Microbes Microbiology Labhuiofrank PBRC PBRC PBRC PBRC PBRC PBRC PBRC
Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Laieikawai Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana Frank Kiana FrankHawaii Microbes Microbiology Labhuiofrank PBRC PBRC PBRC PBRC PBRC PBRC PBRC