1. Publishers announcement

   Announcement Pages: iii - iii

2. The influence of natural convection on the temperature decay of a porous thermal layer

   • H. Salt
   • K. J. Mahoney

   OriginalPaper Pages: 437 - 453

3. A linear stability analysis for immiscible displacements

   • Miguel A. Alemán
   • John C. Slattery

   OriginalPaper Pages: 455 - 472

4. Two-dimensional adaptive Eulerian-Lagrangian method for mass transport with spatial velocity distribution

   • Shaul Sorek

   OriginalPaper Pages: 473 - 489

5. Advances in modeling of water in the unsaturated zone

   • P. C. D. Milly

   OriginalPaper Pages: 491 - 514

6. A new description for dispersion

   • Shih-Hsien Chang
   • John C. Slattery

   OriginalPaper Pages: 515 - 527