| Saturated flow in a single fracture: Evaluation of the Reynolds equation in measured aperture fields MJ Nicholl, H Rajaram, RJ Glass, R Detwiler Water Resources Research 35 (11), 3361-3373, 1999 | 250 | 1999 |
| Physics of gravity fingering of immiscible fluids within porous media: An overview of current understanding and selected complicating factors RJ Glass, MJ Nicholl Geoderma 70 (2-4), 133-163, 1996 | 182 | 1996 |
| Gravity‐driven infiltration instability in initially dry nonhorizontal fractures MJ Nicholl, RJ Glass, SW Wheatcraft Water Resources Research 30 (9), 2533-2546, 1994 | 150 | 1994 |
| A modified invasion percolation model for low‐capillary number immiscible displacements in horizontal rough‐walled fractures: Influence of local in‐plane curvature RJ Glass, MJ Nicholl, L Yarrington Water Resources Research 34 (12), 3215-3234, 1998 | 126 | 1998 |
| Challenging models for flow in unsaturated, fractured rock through exploration of small scale processes RJ Glass, MJ Nicholl, VC Tidwell Geophysical Research Letters 22 (11), 1457-1460, 1995 | 61 | 1995 |
| Unsaturated flow through a fracture–matrix network: Dynamic preferential pathways in mesoscale laboratory experiments RJ Glass, MJ Nicholl, SE Pringle, TR Wood Water resources research 38 (12), 17-1-17-17, 2002 | 57 | 2002 |
| Quantitative visualization of entrapped phase dissolution within a horizontal flowing fracture RJ Glass, MJ Nicholl Geophysical Research Letters 22 (11), 1413-1416, 1995 | 57 | 1995 |
| Wetting phase permeability in a partially saturated horizontal fracture MJ Nicholl, RJ Glass Sandia National Labs., 1993 | 57 | 1993 |
| Factors controlling satiated relative permeability in a partially‐saturated horizontal fracture MJ Nicholl, H Rajaram, RJ Glass Geophysical Research Letters 27 (3), 393-396, 2000 | 54 | 2000 |
| Liquid phase structure within an unsaturated fracture network beneath a surface infiltration event: Field experiment RJ Glass, MJ Nicholl, AL Ramirez, WD Daily Water resources research 38 (10), 17-1-17-16, 2002 | 53 | 2002 |
| Unsaturated flow through fracture networks: Evolution of liquid phase structure, dynamics, and the critical importance of fracture intersections RJ Glass, MJ Nicholl, H Rajaram, TR Wood Water resources research 39 (12), 2003 | 47 | 2003 |
| Fracture intersections as integrators for unsaturated flow TR Wood, MJ Nicholl, RJ Glass Geophysical research letters 29 (24), 44-1-44-4, 2002 | 43 | 2002 |
| Infiltration into an analog fracture: Experimental observations of gravity‐driven fingering MJ Nicholl, RJ Glass Vadose Zone Journal 4 (4), 1123-1151, 2005 | 39 | 2005 |
| Small-scale behavior of single gravity-driven fingers in an initially dry fracture MJ Nicholl, RJ Glass, HA Nguyen Sandia National Lab.(SNL-NM), Albuquerque, NM (United States), 1992 | 39 | 1992 |
| The interaction of two fluid phases in fractured media RJ Glass, H Rajaram, MJ Nicholl, RL Detwiler Current Opinion in Colloid & Interface Science 6 (3), 223-235, 2001 | 37 | 2001 |
| Is Old Faithful a strange attractor? MJ Nicholl, SW Wheatcraft, SW Tyler, B Berkowitz Journal of Geophysical Research: Solid Earth 99 (B3), 4495-4503, 1994 | 35 | 1994 |
| Influence of simple fracture intersections with differing aperture on density‐driven immiscible flow: Wetting versus nonwetting flows SH Ji, MJ Nicholl, RJ Glass, KK Lee Water Resources Research 42 (10), 2006 | 34 | 2006 |
| Influence of fracture intersections under unsaturated, low‐flow conditions TR Wood, MJ Nicholl, RJ Glass Water Resources Research 41 (4), 2005 | 34 | 2005 |
| Simulation of flow and transport in a single fracture: macroscopic effects of underestimating local head loss MJ Nicholl, RL Detwiler Geophysical research letters 28 (23), 4355-4358, 2001 | 34 | 2001 |
| Wetting front instability in an initially wet unsaturated fracture MJ Nicholl, RJ Glass, HA Nguyen Sandia National Labs., 1992 | 33 | 1992 |
