References
739
Roberts, C.R., Mitchell, C.W., 1987. Spring mounds in southern Tunisia. In: Frostick, L.E., Reid, I. (Eds),
Desert Sediments: Ancient and Modern, Geological Society of London, Special Publication 35,
pp. 321-336.
Robin, G., De, Q., Drewry, D.J., Meldrum, D.T., 1977. International studies of ice sheet and bedrock.
Philos. Trans. R. Soc. London 279, 185-196.
Robinson, D.A., Williams, R.B.G., 1992. Sandstone weathering in the High Atlas, Morocco.
Z. Geomorphol. 4, 413-429.
Rodrfguez, J., Navascu6s, L., 1982. La tafonizaci6n de las areniscas miocenas en los alrededores de
Huesca. Tecniterrae 19, 7-12.
Rogers, R.D., Schumm, S.A., 1991. The effect of sparse vegetative cover on erosion and sediment yield.
J. Hydrol. 123, 19-24.
Rognon, P., 1980. Pluvial and arid phases in the Sahara: the role of nonclimatic factors. In: Sarnthein, M.,
Seibold, E., Rognon, P. (Eds), Palaeoecology of Africa. Sahara and Surrounding Seas. Balkema,
Rotterdam, pp. 45-62.
Rognon, P., 1982. Pluvial and arid phases in the Sahara: the role of nonclimatic factors. Palaeoecology of
Africa, 12, 45-62.
Rognon, P., 1987. Late Quarternary climatic reconstruction for the Maghreb (North Africa).
Palaeogeography, Palaeoclimatology, Palaeoecology, 58, 11-34.
Rogowski, A.S., Khanbilvardi, R.M., Deangelis, R.J., 1985. Estimating erosion on plot, field and
watershed scales. In: E1-Swaifi, S.A., Molldenhaner, W.C., Andrew, L. (Eds), Soil Erosion and
Conservation. Soil Conservation Society of America, pp. 149-166.
Rojo, L., Sfinchez, M.C., 1996. Red de Estaciones Experimentales de Seguimiento y Evaluaci6n de la
Erosi6n y Desertificaci6n (RESEL), Catfilogo de Estaciones, Proyecto Lucdeme. Direcci6n General de
Conservaci6n de la Naturaleza. Ministerio de Medio Ambiente, Madrid, p. 121.
Roose, E.J., Lelong, F., 1976. Les facteurs de l'4rosion hydrique en Afrique tropicale. Etudes sur petites
parcelles exp~rimentales du sol. Rev. G4ogr. Phys. G6ol. Dyn. 18, 365-374.
Roque, C., Pallf, L., 1998. Geologfa de l'Ardenya i Formes Granftiques Associades. Publicacions de
l'Institut d'Estudis del Baix Empordfi 17, 5-42.
Rosen, M.R., 1994. The importance of groundwater in playas: a review of playa classifications and the
sedimentology and hydrology of playas. In: Rosen, M.R. (Ed.), Paleoclimate and basin evolution of
playa systems, Geological Society of America, Special Paper 289, pp. 1-18.
Rust, B.R., 1979. Facies models, coarse alluvial deposits. In: Walker, R.G. (Ed.), Facies models,
Geoscience Canada Reprint Series, Vol. 1, pp. 9-21.
Rutte, E., 1958. Kalkruste in Spanien. Neues Jahrb. Geol. Pal~ieontol. 106, 52-138.
Rutter, N.W., 1965. Foliation pattern of Gulkana glacier, Alaska Range, Alaska. J. Glaciol. 5,
711-718.
Ruxton, B.P., 1958. Weathering and sub-surface erosion in granites at the piedmont angle, Balos, Sudan.
Geol. Mag. 95, 353-377.
Ruxton, B.P., 1967. Slope wash under nature primary rainforest in northern Papua. In: Jennings, J.N.,
Mabbutt, J.A. (Eds), Landform Studies from Australia and New Guinea. Cambridge University Press,
London, pp. 85-94.
Ruxton, B.P., Berry, L., 1957. Weathering of granite and associated erosional features in Hong Kong. Bull.
Geol. Soc. 68, 1263-1292.
Ruxton, B.P., Berry, L., 1961. Weathering profiles and geomorphic position on granite in two tropical
regions. Rev. G4omorphol. Dyn. 12, 16- 31.
Sack, D., 1994. Geomorphic evidence of climate change from desert-basin paleolakes. In: Abrahams,
A.D., Parsons, A.J. (Eds), Geomorphology of Desert Environments. Chapman & Hall, London,
pp. 616-630.
Sakamoto-Arnold, C.M., 1981. Eolian features produced by the December, 1977 windstorm, southern San
Joaquin Valley, California. J. Geol. 89, 129-137.
Salinas, J.L., 1988. Riesgos ligados a arcillas expansivas. In: Ayala, F.J., Durfin, J.J., Peinado, T. (Eds),
Riesgos Geol6gicos. Instituto Geol6gico y Minero de Espafia, Madrid, pp. 295-304.
Sanches Furtado, A.F.A., 1968. Alt6ration des granites dans les r6gions intertropicales sous diff4rents
climats. Ninth International Congress of Soil Science, Adelaide 4, 403-409.
Sfinchez, J.A., Martfnez, F.J., Florfa, E., Schumann, S., 1993. Hydrogeological characterization of the
Monegros Lakes. In: Guti6rrez, M., Sancho, C., Benito, G. (Eds), Second Intensive Course on Applied
Geomorphology: Arid Regions. Universidad de Zaragoza, Zaragoza, pp. 245-252.
739
Roberts, C.R., Mitchell, C.W., 1987. Spring mounds in southern Tunisia. In: Frostick, L.E., Reid, I. (Eds),
Desert Sediments: Ancient and Modern, Geological Society of London, Special Publication 35,
pp. 321-336.
Robin, G., De, Q., Drewry, D.J., Meldrum, D.T., 1977. International studies of ice sheet and bedrock.
Philos. Trans. R. Soc. London 279, 185-196.
Robinson, D.A., Williams, R.B.G., 1992. Sandstone weathering in the High Atlas, Morocco.
Z. Geomorphol. 4, 413-429.
Rodrfguez, J., Navascu6s, L., 1982. La tafonizaci6n de las areniscas miocenas en los alrededores de
Huesca. Tecniterrae 19, 7-12.
Rogers, R.D., Schumm, S.A., 1991. The effect of sparse vegetative cover on erosion and sediment yield.
J. Hydrol. 123, 19-24.
Rognon, P., 1980. Pluvial and arid phases in the Sahara: the role of nonclimatic factors. In: Sarnthein, M.,
Seibold, E., Rognon, P. (Eds), Palaeoecology of Africa. Sahara and Surrounding Seas. Balkema,
Rotterdam, pp. 45-62.
Rognon, P., 1982. Pluvial and arid phases in the Sahara: the role of nonclimatic factors. Palaeoecology of
Africa, 12, 45-62.
Rognon, P., 1987. Late Quarternary climatic reconstruction for the Maghreb (North Africa).
Palaeogeography, Palaeoclimatology, Palaeoecology, 58, 11-34.
Rogowski, A.S., Khanbilvardi, R.M., Deangelis, R.J., 1985. Estimating erosion on plot, field and
watershed scales. In: E1-Swaifi, S.A., Molldenhaner, W.C., Andrew, L. (Eds), Soil Erosion and
Conservation. Soil Conservation Society of America, pp. 149-166.
Rojo, L., Sfinchez, M.C., 1996. Red de Estaciones Experimentales de Seguimiento y Evaluaci6n de la
Erosi6n y Desertificaci6n (RESEL), Catfilogo de Estaciones, Proyecto Lucdeme. Direcci6n General de
Conservaci6n de la Naturaleza. Ministerio de Medio Ambiente, Madrid, p. 121.
Roose, E.J., Lelong, F., 1976. Les facteurs de l'4rosion hydrique en Afrique tropicale. Etudes sur petites
parcelles exp~rimentales du sol. Rev. G4ogr. Phys. G6ol. Dyn. 18, 365-374.
Roque, C., Pallf, L., 1998. Geologfa de l'Ardenya i Formes Granftiques Associades. Publicacions de
l'Institut d'Estudis del Baix Empordfi 17, 5-42.
Rosen, M.R., 1994. The importance of groundwater in playas: a review of playa classifications and the
sedimentology and hydrology of playas. In: Rosen, M.R. (Ed.), Paleoclimate and basin evolution of
playa systems, Geological Society of America, Special Paper 289, pp. 1-18.
Rust, B.R., 1979. Facies models, coarse alluvial deposits. In: Walker, R.G. (Ed.), Facies models,
Geoscience Canada Reprint Series, Vol. 1, pp. 9-21.
Rutte, E., 1958. Kalkruste in Spanien. Neues Jahrb. Geol. Pal~ieontol. 106, 52-138.
Rutter, N.W., 1965. Foliation pattern of Gulkana glacier, Alaska Range, Alaska. J. Glaciol. 5,
711-718.
Ruxton, B.P., 1958. Weathering and sub-surface erosion in granites at the piedmont angle, Balos, Sudan.
Geol. Mag. 95, 353-377.
Ruxton, B.P., 1967. Slope wash under nature primary rainforest in northern Papua. In: Jennings, J.N.,
Mabbutt, J.A. (Eds), Landform Studies from Australia and New Guinea. Cambridge University Press,
London, pp. 85-94.
Ruxton, B.P., Berry, L., 1957. Weathering of granite and associated erosional features in Hong Kong. Bull.
Geol. Soc. 68, 1263-1292.
Ruxton, B.P., Berry, L., 1961. Weathering profiles and geomorphic position on granite in two tropical
regions. Rev. G4omorphol. Dyn. 12, 16- 31.
Sack, D., 1994. Geomorphic evidence of climate change from desert-basin paleolakes. In: Abrahams,
A.D., Parsons, A.J. (Eds), Geomorphology of Desert Environments. Chapman & Hall, London,
pp. 616-630.
Sakamoto-Arnold, C.M., 1981. Eolian features produced by the December, 1977 windstorm, southern San
Joaquin Valley, California. J. Geol. 89, 129-137.
Salinas, J.L., 1988. Riesgos ligados a arcillas expansivas. In: Ayala, F.J., Durfin, J.J., Peinado, T. (Eds),
Riesgos Geol6gicos. Instituto Geol6gico y Minero de Espafia, Madrid, pp. 295-304.
Sanches Furtado, A.F.A., 1968. Alt6ration des granites dans les r6gions intertropicales sous diff4rents
climats. Ninth International Congress of Soil Science, Adelaide 4, 403-409.
Sfinchez, J.A., Martfnez, F.J., Florfa, E., Schumann, S., 1993. Hydrogeological characterization of the
Monegros Lakes. In: Guti6rrez, M., Sancho, C., Benito, G. (Eds), Second Intensive Course on Applied
Geomorphology: Arid Regions. Universidad de Zaragoza, Zaragoza, pp. 245-252.