Search Results - "Johnson, Joel E"

Holocene aridification of India by Ponton, Camilo, Giosan, Liviu, Eglinton, Tim I., Fuller, Dorian Q., Johnson, Joel E., Kumar, Pushpendra, Collett, Tim S.

“…Spanning a latitudinal range typical for deserts, the Indian peninsula is fertile instead and sustains over a billion people through monsoonal rains. Despite…”
Get full text

Isolating Detrital and Diagenetic Signals in Magnetic Susceptibility Records From Methane‐Bearing Marine Sediments by Joel E. Johnson, Stephen C. Phillips, William C. Clyde, Liviu Giosan, Marta E. Torres

“…Abstract Volume‐dependent magnetic susceptibility (κ) is commonly used for paleoenvironmental reconstructions in both terrestrial and marine sedimentary…”
Get full text

Monsoon-influenced variation in productivity and lithogenic sediment flux since 110 ka in the offshore Mahanadi Basin, northern Bay of Bengal by Phillips, Stephen C., Johnson, Joel E., Giosan, Liviu, Rose, Kelly

“…The Indian monsoon drives seasonal changes in precipitation and weathering across India as well as circulation and productivity in the northern Indian Ocean…”
Get full text

Diverse sediment microbiota shape methane emission temperature sensitivity in Arctic lakes by Emerson, Joanne B., Varner, Ruth K., Wik, Martin, Parks, Donovan H., Neumann, Rebecca B., Johnson, Joel E., Singleton, Caitlin M., Woodcroft, Ben J., Tollerson, Rodney, Owusu-Dommey, Akosua, Binder, Morgan, Freitas, Nancy L., Crill, Patrick M., Saleska, Scott R., Tyson, Gene W., Rich, Virginia I.

“…Northern post-glacial lakes are significant, increasing sources of atmospheric carbon through ebullition (bubbling) of microbially-produced methane (CH 4 )…”
Get full text

Long-timescale variation in bulk and clay mineral composition of Indian continental margin sediments in the Bay of Bengal, Arabian Sea, and Andaman Sea by Phillips, Stephen C., Johnson, Joel E., Underwood, Michael B., Guo, Junhua, Giosan, Liviu, Rose, Kelly

“…This study documents X-ray diffraction results from bulk powders and oriented clay-size aggregates using samples from sites drilled and cored during the Indian…”
Get full text

3‐D Seismic Investigation of a Gas Hydrate and Fluid Flow System on an Active Mid‐Ocean Ridge; Svyatogor Ridge, Fram Strait by Kate A. Waghorn, Stefan Bünz, Andreia Plaza‐Faverola, Joel E. Johnson

“…Abstract Tectonic settings play a large role in the development of fluid flow pathways for gas migrating through sedimentary strata. Gas hydrate systems…”
Get full text

Influence of total organic carbon deposition on the inventory of gas hydrate in the Indian continental margins by Johnson, Joel E., Phillips, Stephen C., Torres, Marta E., Piñero, Elena, Rose, Kelly K., Giosan, Liviu

“…Total organic carbon (TOC) content of marine sediments represents residual carbon, originally derived from terrestrial and marine sources, which has survived…”
Get full text

Energy Gradients Structure Microbial Communities Across Sediment Horizons in Deep Marine Sediments of the South China Sea by Graw, Michael F, D'Angelo, Grace, Borchers, Matthew, Thurber, Andrew R, Johnson, Joel E, Zhang, Chuanlun, Liu, Haodong, Colwell, Frederick S

“…The deep marine subsurface is a heterogeneous environment in which the assembly of microbial communities is thought to be controlled by a combination of…”
Get full text

Anomalous porosity preservation and preferential accumulation of gas hydrate in the Andaman accretionary wedge, NGHP-01 site 17A by Rose, Kelly K., Johnson, Joel E., Torres, Marta E., Hong, Wei-Li, Giosan, Liviu, Solomon, Evan A., Kastner, Miriam, Cawthern, Thomas, Long, Philip E., Todd Schaef, H.

“…In addition to well established properties that control the presence or absence of the hydrate stability zone, such as pressure, temperature, and salinity,…”
Get full text

Short communication: Massive erosion in monsoonal central India linked to late Holocene land cover degradation by Giosan, Liviu, Ponton, Camilo, Usman, Muhammed, Blusztajn, Jerzy, Fuller, Dorian Q, Galy, Valier, Haghipour, Negar, Johnson, Joel E, McIntyre, Cameron, Wacker, Lukas, Eglinton, Timothy I

“…Soil erosion plays a crucial role in transferring sediment and carbon from land to sea, yet little is known about the rhythm and rates of soil erosion prior to…”
Get full text

HOLOCENE EARTHQUAKE RECORDS FROM THE CASCADIA SUBDUCTION ZONE AND NORTHERN SAN ANDREAS FAULT BASED ON PRECISE DATING OF OFFSHORE TURBIDITES by Goldfinger, Chris, Nelson, C. Hans, Johnson, Joel E

“…We present preliminary evidence for a ∼10,000-year earthquake record from two major fault systems based on sediment cores collected along the continental…”
Get full text

Energy Transition and Climate Mitigation Require Increased Effort on Methane Hydrate Research by Kastner, Miriam, Myers, Mark, Koh, Carolyn A, Moridis, George, Johnson, Joel E, Thurmond, John

Get full text

Sedimentology and stratigraphy of a deep-water gas hydrate reservoir in the northern Gulf of Mexico by Meazell, P. Kevin, Flemings, Peter B, Santra, Manasij, Johnson, Joel E

“…We interpret the sedimentologic evolution of a deep-water channel-levee deposit in Green Canyon Block 955 (deep-water Gulf of Mexico) by analyzing…”
Get full text

A new neolepadid cirripede from a Pleistocene cold seep, Krishna-Godavari Basin, offshore India by Gale, Andy, Little, Crispin, Johnson, Joel

“…Valves of a thoracican cirripede belonging to a new species of the Neolepadidae, Ashinkailepas indica Gale sp. nov. are described from a Late Pleistocene cold…”
Get full text

Modelling persistent methane seepage offshore western Svalbard since early Pleistocene by Knies, Jochen, Daszinnies, Matthias, Plaza-Faverola, Andreia, Chand, Shyam, Sylta, Øyvind, Bünz, Stefan, Johnson, Joel E., Mattingsdal, Rune, Mienert, Jürgen

“…Recent observations of extensive methane release into the oceans and atmosphere have raised concern as to whether rising temperatures across the Arctic could…”
Get full text

Authigenic carbonate formation influenced by freshwater inputs and methanogenesis in coal-bearing strata offshore Shimokita, Japan (IODP site C0020) by Phillips, Stephen C., Hong, Wei-Li, Johnson, Joel E., Fahnestock, M. Florencia, Bryce, Julia G.

“…Authigenic carbonate chemistry and mineralogy provide key insights into diagenetic pathways and microbial processes in sedimentary records. We characterize the…”
Get full text

Sediment Characteristics and Methane Ebullition in Three Subarctic Lakes by Wik, Martin, Johnson, Joel E., Crill, Patrick M., DeStasio, Joel P., Erickson, Lance, Halloran, Madison J., Fahnestock, M. Florencia, Crawford, Maurice K., Phillips, Stephen C., Varner, Ruth K.

“…Ebullition (bubbling) from climate‐sensitive northern lakes remains an unconstrained source of atmospheric methane (CH4). Although the focus of many recent…”
Get full text

Improving CHN measurements in carbonate‐rich marine sediments by Phillips, Stephen C., Johnson, Joel E., Miranda, Eduardo, Disenhof, Corinne

“…CHN elemental analysis is a common and effective method for determining total carbon (TC), total organic carbon (TOC), inorganic carbon (IC) by difference, and…”
Get full text

Feeding methane vents and gas hydrate deposits at south Hydrate Ridge by Tréhu, Anne M., Flemings, Peter B., Bangs, Nathan L., Chevallier, Johanna, Gràcia, Eulàlia, Johnson, Joel E., Liu, C.‐S., Liu, Xiaoli, Riedel, Michael, Torres, Marta E.

“…Log and core data document gas saturations as high as 90% in a coarse‐grained turbidite sequence beneath the gas hydrate stability zone (GHSZ) at south Hydrate…”
Get full text

Rupture lengths and temporal history of significant earthquakes on the offshore and north coast segments of the Northern San Andreas Fault based on turbidite stratigraphy by Goldfinger, Chris, Morey, Ann E., Nelson, C. Hans, Gutiérrez-Pastor, Julia, Johnson, Joel E., Karabanov, Eugene, Chaytor, Jason, Eriksson, Andrew

“…74 piston, gravity and jumbo Kasten cores were collected from channel and canyon systems draining the northern California continental margin to investigate the…”
Get full text