Akaike, H. (1974), A new look at the statistical model identification, IEEE Trans. Autom. Control, 19(6), 716–723, doi:10.1109/
tac.1974.1100705.
Anthony, D. M., and D. E. Granger (2007), An empirical stream power formulation for knickpoint retreat in Appalachian Plateau fluviokarst,
J. Hydrol., 343, 117–126, doi:10.1016/j.jhydrol.2007.06.013.
Band, L. E. (1986), Topographic partition of watersheds with digital elevation models, Water Resour. Res., 22(1), 15–24, doi:10.1029/
WR022i001p00015.
Clark, D. H. (1995), Extent, timing, and climatic significance of latest Pleistocene and Holocene glaciation in the Sierra Nevada, California,
PhD thesis, Univ. of Washington, Seattle.
Conley, J. F. (1985), Geology of the Southwestern Virginia Piedmont, Va. Div. of Miner. Resour. Publ., Dept. of Mines, Miner. and Energy, Charlottesville,
Va.
DiBiase, R. A., A. M. Heimsath, and K. X. Whipple (2012), Hillslope response to tectonic forcing in threshold landscapes, Earth Surf. Processes
Landforms, 37(8), 855–865, doi:10.1002/esp.3205.
Dietrich, W. E., and T. Dunne (1993), The channel head, in Channel Network Hydrology, edited by K. Beven and M. J. Kirkby, pp. 175–219,
John Wiley, N. Y.
Dietrich, W. E., C. J. Wilson, and S. L. Reneau (1986), Hollows, colluvium and landslides in soil-mantled landscapes, in Hillslope Processes,
edited by A. D. Abrahams, pp. 361–388, Allen and Unwin, Winchester, Mass.
Dietrich, W. E., C. J. Wilson, D. R. Montgomery, J. McKean, and R. Bauer (1992), Erosion thresholds and land surface morphology, Geology,
20(8), 675–679, doi:10.1130/0091–7613(1992)020<0675:ETALSM>2.3.CO;2.
Dietrich, W. E., C. J. Wilson, D. R. Montgomery, and J. McKean (1993), Analysis of erosion thresholds, channel networks, and landscape morphology
using a digital terrain model, J. Geol., 101(2), 259–278, doi:10.2307/30081151.
Durbin, J., and G. S. Watson (1950), Testing for serial correlation in least squares regression: I, Biometrika, 37(3–4), 409–428, doi:10.1093/biomet/
37.3-4.409.
Flint, J. J. (1974), Stream gradient as a function of order, magnitude, and discharge, Water Resour. Res., 10(5), 969–973, doi:10.1029/
WR010i005p00969.
Furbish, D. J., and J. J. Roering (2013), Sediment disentrainment and the concept of local versus nonlocal transport on hillslopes, J. Geophys.
Res., 118, 937–952, doi:10.1002/jgrf.20071.
Goebel, P. C., and D. M. Hix (1996), Development of mixed-oak forests in southeastern Ohio: A comparison of second-growth and oldgrowth
forests, For. Ecol. Manage., 84(1–3), 1–21, doi:10.1016/0378-1127(96)03772-3.
Henkle, J. E., E. Wohl, and N. Beckman (2011), Locations of channel heads in the semiarid Colorado Front Range, USA, Geomorphology,
129(3–4), 309–319, doi:10.1016/j.geomorph.2011.02.026.
Hix, D. M., and J. N. Pearcy (1997), Forest ecosystems of the Marietta Unit, Wayne National Forest, southeastern Ohio: Multifactor classification
and analysis, Can. J. For. Res., 27(7), 1117–1131, doi:10.1139/x97-044.
Howard, A. D. (1994), A detachment-limited model of drainage basin evolution, Water Resour. Res., 30(7), 2261–2285, doi:10.1029/
94WR00757.
Hurst, M. D., S. M. Mudd, R. Walcott, M. Attal, and K. Yoo (2012), Using hilltop curvature to derive the spatial distribution of erosion rates, J.
Geophys. Res., 117, F02017, doi:10.1029/2011JF002057.
Hurst, M. D., S. M. Mudd, K. Yoo, M. Attal, and R. Walcott (2013), Influence of lithology on hillslope morphology and response to tectonic
forcing in the northern Sierra Nevada of California, J. Geophys. Res., 118, 832–851, doi:10.1002/jgrf.20049.
Istanbulluoglu, E., D. G. Tarboton, R. T. Pack, and C. Luce (2002), A probabilistic approach for channel initiation, Water Resour. Res., 38(12),
1325, doi:10.1029/2001WR000782.
Jefferson, A. J., and R. W. McGee (2013), Channel network extent in the context of historical land use, flow generation processes, and landscape
evolution in the North Carolina Piedmont, Earth Surf. Processes Landforms, 38(6), 601–613, doi:10.1002/esp.3308.
Julian, J. P., A. J. Elmore, and S. M. Guinn (2012), Channel head locations in forested watersheds across the mid-Atlantic United States: A
physiographic analysis, Geomorphology, 177–178, 194–203, doi:10.1016/j.geomorph.2012.07.029.
Kirby, E., and K. X. Whipple (2012), Expression of active tectonics in erosional landscapes, J. Struct. Geol., 44, 54–75, doi:10.1016/
j.jsg.2012.07.009.
Martin, K. L., D. M. Hix, and P. C. Goebel (2011), Coupling of vegetation layers and environmental influences in a mature, second-growth
Central Hardwood forest landscape, For. Ecol. Manage., 261(3), 720–729, doi:10.1016/j.foreco.2010.12.001.
Mit�a�sov�a, H., and J. Hofierka (1993), Interpolation by regularized spline with tension: II. Application to terrain modeling and surface geometry
analysis, Math. Geol., 25(6), 657–669, doi:10.1007/BF00893172.
Molloy, I., and T. F. Stepinski (2007), Automatic mapping of valley networks on Mars, Comput. Geosci., 33(6), 728–738, doi:10.1016/
j.cageo.2006.09.009.
Montgomery, D. R., and W. E. Dietrich (1988), Where do channels begin?, Nature, 336, 232–234, doi:10.1038/336232a0.
Montgomery, D. R., and W. E. Dietrich (1989), Source areas, drainage density, and channel initiation, Water Resour. Res., 25(8), 1907–1918,
doi:10.1029/WR025i008p01907.
Montgomery, D. R., and W. E. Dietrich (1992), Channel initiation and the problem of landscape scale, Science, 255(5046), 826–830, doi:
10.1126/science.255.5046.826.
Montgomery, D. R., and E. Foufoula-Georgiou (1993), Channel network source representation using digital elevation models, Water Resour.
Res., 29(12), 3925–3934, doi:10.1029/93WR02463.
Mudd, S. M., and D. J. Furbish (2004), Influence of chemical denudation on hillslope morphology, J. Geophys. Res., 109, F02001, doi:10.1029/
2003JF000087.
Mudd, S. M., M. Attal, D. T. Milodowski, S. W. D. Grieve, and D. A. Valters (2014), A statistical framework to quantify spatial variation in channel
gradients using the integral method of channel profile analysis, J. Geophys. Res., 119, 138–152, doi:10.1002/2013JF002981.
Novotny, V. (2002), Water Quality: Diffuse Pollution and Watershed Management, John Wiley, N. Y.
O’Callaghan, J. F., and D. M. Mark (1984), The extraction of drainage networks from digital elevation data, Comput. Vis. Graph. Image Process.,
28(3), 323–344, doi:10.1016/S0734-189X(84)80011-0.
Orlandini, S., P. Tarolli, G. Moretti, and G. Dalla Fontana (2011), On the prediction of channel heads in a complex alpine terrain using
gridded elevation data, Water Resour. Res., 47(2), W02538, doi:10.1029/2010WR009648.
Passalacqua, P., T. Do Trung, E. Foufoula-Georgiou, G. Sapiro, and W. E. Dietrich (2010), A geometric framework for channel network extraction
from lidar: Nonlinear diffusion and geodesic paths, J. Geophys. Res., 115, F01002, doi:10.1029/2009JF001254.
Pelletier, J. D. (2013), A robust, two-parameter method for the extraction of drainage networks from high-resolution digital elevation models
(DEMs): Evaluation using synthetic and real-world DEMs, Water Resour. Res., 49, 75–89, doi:10.1029/2012WR012452.
Peltier, W. R. (2004), Global glacial isostacy and the surface of the ice-age Earth: The ICE-5G (VM2) model and GRACE, Annu. Rev. Earth
Planet. Sci., 32(1), 111–149, doi:10.1146/annurev.earth.32.082503.144359.
Perron, J. T., and L. Royden (2013), An integral approach to bedrock river profile analysis, Earth Surf. Processes Landforms, 38(6), 570–576,
doi:10.1002/esp.3302.
Peucker, T. K., and D. H. Douglas (1975), Detection of surface-specific points by local parallel processing of discrete terrain elevation data,
Comput. Graph. Image Process., 4(4), 375–387, doi:10.1016/0146-664X(75)90005-2.
Press, W. H. (2007), Numerical Recipes: The Art of Scientific Computing/William H. Press [and Others], Cambridge Univ. Press, Cambridge, U. K.
Riebe, C. S., J. W. Kirchner, D. E. Granger, and R. C. Finkel (2000), Erosional equilibrium and disequilibrium in the Sierra Nevada, inferred
from cosmogenic 26Al and 10Be in alluvial sediment, Geology, 28(9), 803–806, doi:10.1130/0091-7613(2000)28<803:EEADIT>2.0.CO;2.
Rinaldo, A., W. E. Dietrich, R. Rigon, G. K. Vogel, and I. Rodrlguez-lturbe (1995), Geomorphological signatures of varying climate, Nature,
374(6523), 632–635, doi:10.1038/374632a0.
Roering, J. J., J. T. Perron, and J. W. Kirchner (2007), Functional relationships between denudation and hillslope form and relief, Earth Planet.
Sci. Lett., 264(1–2), 245–258, doi:10.1016/j.epsl.2007.09.035.
Royden, L. H., M. K. Clark, and K. X. Whipple (2000), Evolution of river elevation profiles by bedrock incision: Analytical solutions for transient
river profiles related to changing uplift and precipitation rates, Eos Trans. AGU, 81(48), Fall Meet. Suppl., Abstract T62F-09.
Sklar, L., and W. E. Dietrich (1998), River longitudinal profiles and bedrock incision models: Stream power and the influence of
sediment supply, in Rivers Over Rock: Fluvial Processes in Bedrock Channels, edited by K. J. Tinkler and E. E. Wohl, pp. 237–260, AGU,
Washington, D. C.
Small, C. J., and B. C. McCarthy (2001), Vascular flora of the Waterloo Wildlife Research Station, Athens County, Ohio, Castanea, 66(4), 363–
382, doi:10.2307/4033925.
Sofia, G., P. Tarolli, F. Cazorzi, and G. Dalla Fontana (2011), An objective approach for feature extraction: Distribution analysis and statistical
descriptors for scale choice and channel network identification, Hydrol. Earth Syst. Sci., 15(5), 1387–1402, doi:10.5194/hess-15-1387-
2011.
Stock, J. D., and W. E. Dietrich (2006), Erosion of steepland valleys by debris flows, Geol. Soc. Am. Bull., 118(9–10), 1125–1148, doi:10.1130/
B25902.1.
Tarboton, D. G. (1997), A new method for the determination of flow directions and upslope areas in grid digital elevation models, Water
Resour. Res., 33(2), 309–319, doi:10.1029/96WR03137.
Tarboton, D. G., R. L. Bras, and I. Rodriguez-Iturbe (1991), On the extraction of channel networks from digital elevation data, Hydrol. Processes,
5(1), 81–100, doi:10.1002/hyp.3360050107.
Tarboton, D. G., R. L. Bras, and I. Rodriguez-Iturbe (1992), A physical basis for drainage density, Geomorphology, 5(1–2), 59–76, doi:10.1016/
0169-555X(92)90058-V.
Tarolli, P., and G. Dalla Fontana (2009), Hillslope-to-valley transition morphology: New opportunities from high resolution DTMs, Geomorphology,
113(1–2), 47–56, doi:10.1016/j.geomorph.2009.02.006.
Thommeret, N., J. S. Bailly, and C. Puech (2010), Extraction of thalweg networks from DTMs: Application to badlands, Hydrol. Earth Syst. Sci.,
14(8), 1527–1536, doi:10.5194/hess-14-1527-2010.
Unruh, J. R. (1991), The uplift of the Sierra Nevada and implications for late Cenozoic epeirogeny in the western Cordillera, Geol. Soc. Am.
Bull., 103(11), 1395–1404, doi:10.1130/0016-7606(1991)103<1395:TUOTSN>2.3.CO;2.
Wang, L., and H. Liu (2006), An efficient method for identifying and filling surface depressions in digital elevation models for hydrologic
analysis and modelling, Int. J. Geogr. Inf. Sci., 20(2), 193–213, doi:10.1080/13658810500433453.
Whipple, K. X., and G. E. Tucker (1999), Dynamics of the stream-power river incision model: Implications for height limits of mountain
ranges, landscape response timescales, and research needs, J. Geophys. Res., 104(B8), 17,661–17,674, doi:10.1029/1999JB900120.
Wiener, N. (1949), Extrapolation, Interpolation, and Smoothing of Stationary Time Series: With Engineering Applications, Technol. Press of the
Mass. Inst. of Technol., Cambridge, Mass.
Wobus, C., K. X. Whipple, E. Kirby, N. Snyder, J. Johnson, K. Spyropolou, B. Crosby, and D. Sheehan (2006), Tectonics from topography: Procedures,
promise, and pitfalls, Geol. Soc. Am. Spec. Pap., 398, 55–74, doi:10.1130/2006.2398(04).