ALBERT

Description / Table of Contents: 06 Editorial: Deep Carbon in Earth: Early Career Scientist Contributions to the Deep Carbon Observatory / Donato Giovannelli, Benjamin A. Black, Alysia D. Cox and Cody S. Sheik --- Carbon Degassing at Volcanoes --- 08 Relationship between Diffuse CO2 Degassing and Volcanic Activity. Case Study of the Poás, Irazú, and Turrialba Volcanoes, Costa Rica / Matthieu Epiard, Geoffroy Avard, J. Maarten de Moor, María Martínez Cruz, Gustav Barrantes Castillo and Henriette Bakkar --- 22 Soil CO2 Degassing Path along Volcano-Tectonic Structures in the Pico-Faial-São Jorge Islands (Azores Archipelago, Portugal) / Fátima Viveiros, Márcio Marcos, Carlos Faria, João L. Gaspar, Teresa Ferreira and Catarina Silva --- The Deep Earth --- 40 Transformations and Decomposition of MnCO3 at Earth’s Lower Mantle Conditions / Eglantine Boulard, Yijin Liu, Ai L. Koh, Mary M. Reagan, Julien Stodolna, Guillaume Morard, Mohamed Mezouar and Wendy L. Mao --- 49 Structure and Dynamics of Confined C-O-H Fluids Relevant to the Subsurface: Application of Magnetic Resonance, Neutron Scattering, and Molecular Dynamics Simulations / Siddharth S. Gautam, Salim Ok and David R. Cole --- 68 An Experimental Study of the Carbonation of Serpentinite and Partially Serpentinised Peridotites / Alicja M. Lacinska, Michael T. Styles, Keith Bateman, Matthew Hall and Paul D. Brown --- Activity of Subsurface Communities --- 88 Improved Measurement of Extracellular Enzymatic Activities in Subsurface Sediments Using Competitive Desorption Treatment / Adrienne Hoarfrost, Rachel Snider and Carol Arnosti --- 99 Microbial Sulfide Filter along a Benthic Redox Gradient in the Eastern Gotland Basin, Baltic Sea / Mustafa Yücel, Stefan Sommer, Andrew W. Dale and Olaf Pfannkuche --- 115 Electron Transfer between Electrically Conductive Minerals and Quinones / Olga Taran --- 128 Reactivation of Deep Subsurface Microbial Community in Response to Methane or Methanol Amendment / Pauliina Rajala and Malin Bomberg --- 141 Response of Deep Subsurface Microbial Community to Different Carbon Sources and Electron Acceptors during ~2 months Incubation in Microcosms / Lotta Purkamo, Malin Bomberg, Mari Nyyssönen, Lasse Ahonen, Ilmo Kukkonen and Merja Itävaara --- 155 Guar Gum Stimulates Biogenic Sulfide Production at Elevated Pressures: Implications for Shale Gas Extraction / Sophie L. Nixon, Leanne Walker, Matthew D. T. Streets, Bob Eden, Christopher Boothman, Kevin G. Taylor and Jonathan R. Lloyd --- Serpentinization and the Carbon Cycle --- 166 Serpentinization-Influenced Groundwater Harbors Extremely Low Diversity Microbial Communities Adapted to High pH / Katrina I. Twing, William J. Brazelton, Michael D. Y. Kubo, Alex J. Hyer, Dawn Cardace, Tori M. Hoehler, Tom M. McCollom and Matthew O. Schrenk --- 182 Methane Dynamics in a Tropical Serpentinizing Environment: The Santa Elena Ophiolite, Costa Rica / Melitza Crespo-Medina, Katrina I. Twing, Ricardo Sánchez-Murillo, William J. Brazelton, Thomas M. McCollom and Matthew O. Schrenk --- Carbon Through Space and Time --- 196 Evaluating the Role of Seagrass in Cenozoic CO2 Variations / Marco Brandano, Marco Cuffaro, Giovanni Gaglianone, Patrizio Petricca, Vincenzo Stagno and Guillem Mateu-Vicens --- 205 The Hyperarid Core of the Atacama Desert, an Extremely Dry and Carbon Deprived Habitat of Potential Interest for the Field of Carbon Science / Armando Azua-Bustos, Carlos González-Silva and Gino Corsini --- Building a Carbon Network --- 211 Weaving a Knowledge Network for Deep Carbon Science / Xiaogang Ma, Patrick West, Stephan Zednik, John Erickson, Ahmed Eleish, Yu Chen, Han Wang, Hao Zhong and Peter Fox