Aghassy, J.1973: Man-induced badlands topography. In Coates, D.R., editor, Environmental geomorphology and landscape conservation, volume III: non-urban, Stroudsberg : Dowden, Hutchinson and Ross, 124-36.
2.
Anderson, M.G.1979: On the potential of radiography to aid studies of hillslope hydrology. Earth Surface Processes4, 1, 77-83.
3.
Anderson, M.G. and Burt, T.P.1978: The role of topography in controlling throughflow generation . Earth Surface Processes3, 331-44.
4.
Anderson, M.G. and Calver, A.1977: On the persistence of landscape features formed by a large flood. Transactions of Institute of British Geographers New Series 2, 243-54.
5.
Barendregt, R.W. and Ongley, E.D.1977: Piping in the Milk River Canyon, southeastern Alberta - a contemporary dryland geomorphic process. In Erosion and solid material transport in inland waters, International Association of Hydrological Sciences Publication122, 233-43.
6.
Beasley, R.S.1976: Contribution of subsurface flow from the upper slopes of forested watersheds to channel flow. Soil Science Society of America Journal40, 955-57.
7.
Beven, K.1977: Hillslope hydrographs by the finite element method . Earth Surface Processes2, 13-18.
8.
Beven, K. and Germann, P.1980: The roles of macropores in the hydrology of field soils . Institute of Hydrology Report No. 69, Wallingford, 46pp.
9.
1981: Water flow in soil macropores, 2, a combined flow model . Journal of Soil Science32, 15-29.
10.
1982: Macropores and water flow in soils. Water Resources Research18, 5, 1311-25.
11.
Boucher, S.C.1983: Field tunnel erosion in northcentral Victoria. Unpublished paper, Institute of Australian Geographers 18th Conference, Melbourne.
12.
Brewer, R.1964: Fabric and mineral analysis of soils. New York: John Wiley.
13.
Brewer, R. and Sleeman, S.R.1963: Pedotubules: their definition, classification, and interpretation . Journal of Soil Science14, 156-66.
14.
Bryan, R.B. In press: Surface wash. In Slaymaker, H.O., editor, International developments in experimental geomorphology, Vancouver, University of British Columbia Press.
15.
Bryan, R.B., and Yair, A. editors, 1982: Badland geomorphology and piping . Norwich; Geo Books.
16.
Bryan, R.B., Yair, A., and Hodges, W.K.1978: Factors controlling the initiation of runoff and piping in the Dinosaur Provincial Park Badlands, Alberta, Canada. Zeitschrift für Geomorphologie Supplementband. 29, 151-68.
17.
Buckham, A.F. and Cockfield, W.E.1950: Gullies formed by sinking of the ground. American Journal of Science248, 137-41.
18.
Bunting, B.T.1961: The role of seepage moisture in soil formation, slope development and stream initiation. American Journal of Science259, 503-18.
19.
1964: Slope development and soil formation on some British sandstones . Geographical Journal130, 73-79.
20.
Burt, T.P. and Butcher, D.P.1986: Development of topographic indices for use in semidistributed hillslope runoff models. Zeitschrift für Geomorphologie Supplement band 58, 1-19.
Carson, M.A. and Kirkby, M.J.1972: Hillslope form and process. Cambridge : Cambridge University Press.
23.
Chamberlin, T.W.1972: Interflow in a mountainous forest site in coastal British Columbia. In Slaymaker, H.O. and McPherson, J.J., editors, Mountain geomorphology , Vancouver: Tantalus Research, 121-26.
24.
Childs, E.C.1969: An introduction to the physical basis of soil water phenomena . New York: John Wiley .
25.
Chorley, R.J.1978: The hillslope hydrological cycle. In Kirkby, M.J., editor, Hillslope hydrology , Chichester: John Wiley, 1-42.
26.
Conacher, A. and Dalrymple, J.B., 1977: The nine unit landsurface model: an approach to pedogeomophic research. Geoderma18, 1/2, 1—154.
27.
Cooke, R.U. and Reeves, R.W.1976: Arroyos and environmental change in the American Southwest . Oxford: Clarendon Press .
28.
Crabtree, R.W. and Burt, T.P.1983: Spatial variation in solutional denudation and soil moisture over a hillslope hollow. Earth Surface Processes and Landforms8, 2, 151-60.
29.
Crouch, R.J.1976: Tunnel erosion - a review. Journal ofSoil Conservation Service, New South Wales32, 2, 98-111.
30.
Dalrymple, J.B.Blong, R.J. and Conacher, A.J.1968: An hypothetical nine unit landsurface model. Zeitschrift für Geomorphologie21, 1, 60-76.
31.
De Ploey, J.1971: Liquefraction and rainwash. Zeitschrift für Geomorphologie15, 491-96.
32.
1974: Mechanical properties of hillslopes and their relation to gullying in central semiarid Tunisia, Zeitschrift für Geomorphologie21, 177-90.
33.
1980 : Crusting and time-dependent rainwash mechanisms on loamy soils . Proceedings 'Conservation 80', National College of Agriculture Engineering, Silsoe, England.
Dixon, D.M. and Peterson, A.E.1971: Water infiltration control: a channel system concept . Soil Science Society of America Proceedings35, 968-73.
36.
Downes, R.G.1949: A soil, land-use and erosion study of parts of the counties of Moira and Delatile, Victoria. Bulletin No. 243, CSIRO.
37.
Dunne, T.1970: Runoff production in a humid area. US Department of Agriculture Report ARS41-160.
38.
1978 : Field studies of hillslope processes. In Kirkby, M.J., editor, Hillslope Hydrology , Chichester: John Wiley, 227-94.
39.
1980: Formation and controls of channel networks. Progress in Physical Geography4 ( 2), 211-39.
40.
Dunne, T. and Black, R.D.1970: Partial area contributions to storm runoff in a small New England watershed. Water Resources Research6 (5), 1296-311.
41.
Elliott, G.L.1977: Amelioration of tunnelling susceptible soils in the Hunter Valley, New South Wales, by modification of clay double-layer interactions . In Sherard, J.L. and Decker, R.S., editors, Dispersive clays, related piping and erosion in geotechnical projects, American Society for Testing Materials, STP 623, 110-20.
42.
Emmett, W.W.1970: The hydraulics of overland flow on hillslopes. US Geological Survey Professional Paper, 622-A.
43.
Flint, J-J.1973: Experimental development of headward growth of channel networks. Geological Society America Bulletin84, 1087-94.
44.
Gaiser, R.N.1952: Root channels and roots in forest soils. Proceedings of Soil Science Society of America16, 62-65.
45.
German, P.1980: Bedentung der Makroporen für den Wasserhausalt eines Bodens . Bulletin Bodent. Gesch. Schweiz. 4, 13-18.
46.
1981: Untersuchungen uber den Boden wasserhaushalt inn Einzugsgebiet Rietholzbach. Mitteillung Versuchanst. Wasserbau Hydrologie , Glaziologie ETH Zurich51.
47.
Gibbs, H.S.1945: Tunnel-gully erosion on the Wither Hills, Marlborough, New Zealand. New Zealand Journal of Science and Technology27, Section A (2), 135-46.
48.
Gilbert, J.K.1877: Report on the Geology of the Henry Mountains. Washington.
49.
Gilman, K. and Newson, M.D.1980: Soil pipes and pipeflow - a hydrological study in uplandWales. British Geomorphological Research Group Research Monograph No. 1. Norwich: Geo Books.
50.
Govers, G.1985: Selectivity and transport capacity of thin flows in relation to rill erosion. Catena12, 35-49.
51.
Gregory, K.J.1979: Hydrogeomorphology: how applied should we become. Progress in Physical Geography3 (1) 84-101.
52.
Gregory, K.J. and Walling, D.E.1968: The variation of drainage density within a catchment. Bulletin ofInternational Association of Scientific Hydrology13 (2), 61-68.
53.
Hack, J.T. and Goodlett, J.C.1960: Geomorphology and forest ecology of a mountain region in the Central Appalachians. US Geological Survey Professional Paper347.
54.
Harvey, A.1982: The role of piping in the development of badlands and gully systems in southeast Spain. In Bryan, R.B. and Yair, A., editors, Badland geomorphology and piping, Norwich: Geo Books, 317-36.
55.
Heede, B.H.1971: Characteristics and processes of soil piping in gullies . US Department of Agriculture, Forest Service Research Paper RM-68.
56.
1974: Stages of development of gullies in western United States of America. Zeitschrift für Geomorphologie18 (3), 260-71.
57.
1976 : Gully development and control: the status of our knowledge . US Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experimental Station, Fort Collins, Research Paper RM-169.
58.
Hewlett, J.D. and Nutter, W.L.1970: The varying source area of streamflow from upland basins . Proceedings of Symposium on Interdisciplinary Aspects of Watershed Management, Montana State University , 65-83.
59.
Hodges, W.K., and Bryan, R.B.1982: The influence of material behaviour on runoff initiation in the Dinosaur Badlands, Canada. In Bryan, R.B. and Yair, A., editors, Badland geomorphology and piping, Norwich: Geo Books, 13-46.
60.
Horton, R.E.1945: Erosional development of streams and their drainage basins: hydrophysical approach to quantitative morphology. Geological Society of America Bulletin56, 275-370.
61.
Huggett, R.J.1974: Percolines or palaeorills?Area6, 3, 238-39.
62.
Hursh, C.R.1944: Report of the subcommittee on subsurface flow. Eos, Transaction ofAmerican Geophysical Union25, 743-46.
63.
Hutton, J.1795: Theory of the earth, two volumes, Edinburgh.
64.
Ingles. O.G.1964: The effect of lime treatment on permeability-density-moisture relationships for three montmorillonitic soils. Colloquium on failure of small earth dams, Commonwealth Scientific and Industrial Research Organisation, Australia.
65.
1968 : Soil chemistry relevant to the engineering behaviour of soils , In Lee, editor, Soil mechanics - selected topics, London: Butterworth .
66.
Ingles. O.G. and Aitchison, G.D.1970: Soil water disequilibrium as a cause of subsidence in natural soils and earth embankments. IASH-UNESCO International Symposium on Land Subsidence, 1969: Tokyo, International Association of Hydrological Sciences Publication No. 89, 342-53.
67.
Ingles, O.G. and Metcalf, J.B.1973: Soil stabilization. New York : John Wiley.
68.
Ireland, H.A., Sharpe, C.F.S. and Eargle, D.H.1939: Principles of gully erosion in South Carolina. US Department of Agriculture Technical Bulletin 633.
69.
Johnson, W.D.1901: The high plains and their utilization. US Geological Survey, 21st Annual Report, 609-741.
70.
Jones, J.A.A.1971: Soil piping and stream channel initiation. Water Resources Research7 (3), 602-10.
71.
1981 : The nature of soil piping: a review of research. British Geomorphological Research Group Research Monograph No. 3., Norwich: Geo Books.
72.
1982 : Experimental studies of pipe hydrology. In Bryan, R.B. and Yair, A. , editors, Badland geomorphology and piping, Norwich: Geo Books, 355-70.
73.
1986: Some limitations to the a/s index for predicting basin-wide patterns of soil water drainage. Zeitschrift für Geomorphologie Supplementband60, 7-20.
74.
In press: (a): Recent experimental progress in soil piping. In Slaymaker, H.O., editor, International developments in experimental geomorphology, Vancouver: University of British Columbia Press.
75.
Jones, J.A.A. and Crane, F.G.1984: Pipeflow and pipe erosion in the Maesnant experimental catchment. In Burt, T.P. and Walling, D.E., editors, Catchment experiments in fluvial geomorphology, Norwich: Geo Books, 55-72.
76.
Jones, N.O.1968: The development of piping erosion. Unpublished PhD thesis , University of Arizona.
Kälin, M.1977: Hydraulic piping - theoretical and experimental findings . Canadian Geotechnical Journal14, 107-24.
79.
Karcz, I. and Kersey, D.1980: Experimental study of free-surface flow instability and bedforms in shallow flows. Sedimentary Geology27, 263-300.
80.
Kassiff, G. and Henkin, E.N.1967: Engineering and physicochemical properties affecting piping failure of low loess dams in the Negev. Proceedings of Third Regional Conference of Soil Mechanics and Foundation Engineering, Israel, 1, 13-16.
81.
Kirkby, M.J.1971: Hillslope process response models based on the continuity equation. Institute of British Geographers Special Publication No. 3. 15-30.
82.
1975 : Hydrograph modelling strategies. In Peel, R.F., Chisholm, M.D. and Haggett, P., editors, Process in Physical and Human Geography, Heinemann, 69-90.
83.
1978 : Implications for sediment transportation. In Kirkby, M.J., editor, Hillslope hydrology , London: John Wiley, 325-64.
84.
Kirkby, M.J. and Chorley, R.J.1967: Throughflow, overland flow and erosion. Bulletin ofInternational Association of Scientific Hydrology12 (3), 5-21.
85.
Leopold, L.B., Wolman, M.G. and Miller, J.P.1964: Fluvial processes in geomorphology. San Francisco: Freeman.
86.
Liao, K.H. and Scheidegger, A.E.1968: Branching-type models of flow through porous media. Bulletin ofInternational Association of Scientific Hydrology14 (4), 137-45.
87.
McCaig, M.1983: Contributions to storm quickflow in a small headwater catchment - the role of natural pipes and soil macropores. Earth Surface Processes and Landforms8, 239-52.
88.
1984 : The pattern of wash erosion around an upland stream head . In Burt, T.P. and Walling, D.E., editors, Catchment experiments in fluvial geomorphology, Norwich: Geo Books , 87-114.
89.
Morawetz, S.1969: Kleinmorphologische Beobachtungen auf einer Haldenboschung . Mitteillung der Ostereich Geographische Gesellschaft111 (2-3), 257-59.
Morisawa, M.M.1964: Development of drainage systems on an upraised lake floor . American Journal of Science262, 340-52.
92.
Mosley, M.P., 1974: Experimental study of rill erosion. Transactions of American Society of Agricultural Engineers17, 909-13.
93.
1982: Subsurface flow velocities through selected forest soils, South Island, New Zealand. Journal of Hydrology55, 65-92.
94.
Moss, A.J., Green, P. and Hutka, J.1982: Small channels: Their experimental formation, nature and significance. Earth Surface Processes and Landforms7,404-15.
95.
Moss, A.J. and Walker, P.H.1978: Particle transport by continental water flows in relation to erosion, deposition, soils and human activities. Sedimentary Geology25,43-66.
96.
Newson, M.D. and Harrison, J.G.1978: Channel studies in the Plynlimon experimental catchments . Institute of Hydrology Report No. 47, Wallingford.
97.
Nickel, S.H.1977: A rheological approach to dispersive clays. In Sherard, J.L. and Decker, R.S., editors, Dispersive clays, related piping, and erosion in geotechnical projects, American Society for Testing Materials, STP623, 303-12.
98.
Parker, G.G.1963: Piping, a geomorphic agent in landform development of the dry-lands. International Association of Scientific Hydrology Publication No. 65, 103-13.
99.
Parker, G.G. and Jenne, E.A.1967: Structural failure of western US highways caused by piping . US Geological Survey Water Resources Division .
100.
Parker, R.S. and Schumm, S.A.1982: Experimental study of drainage networks. In Bryan, R.B. and Yair, A. , editors, Badland geomorphology and piping, Norwich: Geo Books, 153-68.
101.
Perry, E.1975: Piping in earth dams constructed of dispersive clay: literature review and design of laboratory testing. US Corps of Engineers, Technical Report 5-75-15, US Army Engineer Waterways Experiment Station, Vicksburg, Mississippi .
102.
Playfair, J.1802: Illustrations of the Huttonian theory of the Earth . London: Cadell and Davis.
103.
Prandl, L.1952: Essentials of fluid dynamics with applications to hydraulics, aeronautics, meteorology and other subjects. London: Blackie.
104.
Reuss, R.F. and Schattenburg, J.W.1972: Internal piping and shear deformation: Victor Braunig Dam, San Antonio, Texas. Proceedings of American Society of Civil Engineers, Special Conference on Performance of Earth and Earth Supported Structures 1, 627-51.
105.
Richie, J.A.1963: Earthwork tunnelling and the application of soil-testing procedure. Journal ofSoil Conservation Service, New South Wales19 (3), 111-29.
106.
Rowntree, K.M.1982: Sediment yields from a laboratory catchment and their relationship to rilling and surface armouring. Earth Surface Processes and Landforms7, 153-70.
107.
Rubey, W.W.1928: Gullies in the Great Plains formed by sinking of the ground . American Journal of Science15, 417-22.
108.
Savat, J.1979: Laboratory experiments on erosion and deposition of loess by laminar sheetflow and turbulent rill flow. Proceedings of Seminar on agricultural soil erosion in temperatre non-Mediterranean climate, Strasbourg-Colmar, 139-43.
109.
Savat, J. and De Ploey, J.1982: Sheetflow and rill development by surface flow . In Bryan, R.B. and Yair, A., editors, Badland geomorphology and piping, Norwich: Geo Books, 113-26.
110.
Sherard, J.L., Decker, R.S. and Ryker, N.L.1972: Piping in earth dams of dispersive soils. Journal of Geotechnical Engineering Division, Proceedings of American Society of Civil Engineers, 102 (GT4), 287-301.
111.
Slaymaker, H.O.1982: The occurrence of piping and gullying in the Penticton glaciolacustrine silts, Okanagan Valley, BC. In Bryan, R.B. and Yair, A., editors, Badland geomorphology and piping, Norwich: Geo Books, 305-16.
112.
in press: International developments in experimental geomorphology. Vancouver: University of British Columbia Press.
113.
Smith, T.R. and Bretherton, F.P.1972: Stability and conservation of mass in drainage basin evolution. Water Resources Research8, 1506-24.
114.
Stagg, M.J.1978: Rill patterns derived from air photographs of the Grwyne Fechan catchment, Black Mountains. Cambria5 (1), 22-36.
115.
Stapledon, D.H. and Casinader, R.J.1977: Dispersive soils at Sugarloaf Dam Site, near Melbourne, Australia. In Sherard, J.L. and Decker, R.S., editors, Dispersive clay, related piping, and erosion in goetechnical projects, American Society for Testing Materials, STP 623, 432-66.
116.
Stocking, M.A.1978: The measurement, use and relevance of rainfall energy in investigations into erosion. Zeitschrift für Gemorphologie, Supplementband 29, 141-50.
117.
1979: A catena of sodium-rich soil. Journal of Soil Science, 30 (1), 139-46.
118.
1981: Model of piping in soils. Transactions of Japan Geomorphological Union2 (2), 263-78.
119.
Tanaka, T.1982: The role of subsurface water exfiltration in soil erosion processes. In Recent development in the explanation and prediction of erosion and sediment yield, International Association of Hydrological Sciences Publication No. 137, 73-80.
120.
Terzaghi, K.1922: Der Grunbruch an Stauwerken und seine Verhütung . Forchheimer - Nummer des Wasserkraft, 445.
121.
1943 : Theoretical soil mechanics. London: Chapman and Hall.
122.
Terzaghi, K. and Peck, R.B.1966: Soil mechanics in engineering practice, second edition, New York: John Wiley.
123.
Trudgill, S.T., Pickles, A., Smetten, K.R.J. and Crabtree, R.W.1983: Soil water residence time and solute uptake, 1, Dye tracing and rainfall events. Journal ofHydrology60, 257-79.
124.
Tsukamoto, Y., Ohta, T. and Nogushi, H.1982: Hydrological and geomorphological studies of debris slides on forested hillslopes in Japan. In Recent developments in the explanation and prediction of erosion and sediment yield, International Association of Hydrological Sciences Publication No. 137, 89-98.
125.
Wang, H.F. and Anderson, M.P.1982: Introduction to groundwater modelling. San Francisco: Freeman.
126.
Wilson, C.M. and Smart, P.1984: Pipes and pipe flow processes in an upland catchment, Wales. Catena11, 2/3, 145-58.
127.
Wood, C.C., Aitchison, G.D. and Ingles, O.G.1964: Physicochemical and engineering aspects of piping failures in small earth dams. Soil Mechanics Section, Commonwealth Scientific and Industrial Research Organisation, Colloquium on Failure of Small Earth Dams.
128.
Yair, A.1973: Theoretical considerations on the evolution of convex hillslopes. Zeitschrift für Geomorphologie, Supplement band 18, 1-9.
129.
Zaslavsky, D. and Kassiff, G.1965: Theoretical formulation of piping mechanism in cohesive soils. Geotechnique15, (3) 305-16.
