Biogenic silica dissolution in sediments of the Southern Ocean. II. Kinetics

P Van Cappellen, L Qiu - Deep Sea Research Part II: Topical Studies in …, 1997 - Elsevier
The dissolution kinetics of biogenic silica in surface sediments collected during the
ANTARES I cruise were measured in stirred flow-through reactors. The rate data exhibit a …

The importance of water column processes on the dissolution properties of biogenic silica in deep-sea sediments I. Solubility

M Gallinari, O Ragueneau, L Corrin… - … et Cosmochimica Acta, 2002 - Elsevier
Flow-through experiments have been performed to study the thermodynamics of biogenic
silica (opal) dissolution in deep-sea sediments. They were applied for the first time on …

Production and dissolution of biogenic silica in the ocean: revised global estimates, comparison with regional data and relationship to biogenic sedimentation

DM Nelson, P Tréguer, MA Brzezinski… - Global …, 1995 - Wiley Online Library
We estimate the global rate of biogenic silica production in the ocean to be between 200
and 280× 1012 mol Si yr− 1. The upper limit is derived from information on the primary …

Biogenic silica dissolution in the oceans: Reconciling experimental and field‐based dissolution rates

P Van Cappellen, S Dixit… - Global biogeochemical …, 2002 - Wiley Online Library
On average, 50–60% of diatomaceous opal produced in the euphotic zone redissolves
within the upper 100 m of the water column. High specific silica dissolution rates in the …

Dissolution of biogenic silica from land to ocean: role of salinity and pH

PV Cappelle, T Behrends - Limnology and Oceanography, 2008 - Wiley Online Library
The dissolution rates of diatom frustules, phytoliths, two diatomaceous lake sediments, a
siliceous ooze from the Southern Ocean, a diatomite deposit, and a synthetic amorphous …

Biogenic silica recycling in surficial sediments across the Polar Front of the Southern Ocean (Indian Sector)

C Rabouille, JF Gaillard, P Tréguer… - Deep Sea Research Part …, 1997 - Elsevier
The processes controlling preservation and recycling of particulate biogenic silica in
superficial sediments must be understood before one uses biogenic silica as a proxy in …

Dissolution kinetics of biogenic silica from the water column to the sediments

D Rickert, M Schlüter, K Wallmann - Geochimica et Cosmochimica Acta, 2002 - Elsevier
Stirred flow-through experiments were conducted for the first time with planktonic biogenic
silica (BSi). We investigated the dissolution kinetics of uncleaned and chemically cleaned …

Processes controlling solubility of biogenic silica and pore water build-up of silicic acid in marine sediments

S Dixit, P Van Cappellen, AJ van Bennekom - Marine Chemistry, 2001 - Elsevier
Dissolution experiments in batch and flow-through reactors were combined with data on
sediment composition and pore water silicic acid profiles to identify processes controlling the …

Production and pelagic dissolution of biogenic silica in the Southern Ocean

DM Nelson, LI Gordon - Geochimica et Cosmochimica Acta, 1982 - Elsevier
Vertical distributions of particulate silica, and of production and dissolution rates of biogenic
silica, were determined on two NS transects across the Pacific sector of the Antarctic …

[图书][B] The diagenesis of biogenic silica: chemical transformations occurring in the water column, seabed, and crust

DJ DeMaster - 2003 - ui.adsabs.harvard.edu
Biota that make their skeletal material out of amorphous silica have occurred in the geologic
record since Cambrian time. Siliceous sponges first appeared in the lower Cambrian …