Auxiliary material for Paper 2011GL046768

A conduit dilation model of methane venting from lake sediments

Benjamin P. Scandella 
Department of Civil and Environmental Engineering, 
Massachusetts Institute of Technology, 
Cambridge, Massachusetts, USA

Charuleka Varadharajan 
Department of Civil and Environmental Engineering, 
Massachusetts Institute of Technology, 
Cambridge, Massachusetts, USA

Earth Sciences Division, Lawrence Berkeley National Laboratory, 
Berkeley, California, USA

Harold F. Hemond 
Department of Civil and Environmental Engineering, 
Massachusetts Institute of Technology, 
Cambridge, Massachusetts, USA

Carolyn Ruppel 
U.S. Geological Survey, Woods Hole, Massachusetts, USA

Ruben Juanes
Department of Civil and Environmental Engineering, 
Massachusetts Institute of Technology, 
Cambridge, Massachusetts, USA



Scandella, B. P., C. Varadharajan, H. F. Hemond, C. Ruppel, and R. Juanes 
(2011), A conduit dilation model of methane venting from lake sediments, 
Geophys. Res. Lett., 38, L06408, doi:10.1029/2011GL046768.

Introduction

The auxiliary material contains two figures.

1. 2011gl046768-fs01.pdf 
Figure S1. Idealizations of pressure, stress and strain responses of gassy 
sediments over a uniaxial loading-unloading cycle.

2. 2011gl046768-fs02.pdf 
Figure S2. Sensitivity of dimensionless flux to ebullition number.