References - Estimating Groundwater Recharge - page 224

aquifer using environmental tracers. Applied
Geochem. , 14 , 1001-1014.
Natural Resources Conservation Service (2004).
Chapter 10: Estimation of direct runoff from storm
rainfall, Part 630, National Engineering Handbook .
Washington, DC: US Department of Agriculture.
Neff, B. P., Day, S. M., Piggott, A. R. and Fuller, L.
M. (2005). Base flow in the Great Lakes Basin. US
Geological Survey Scientific Investigations Report
20 0 5 - 5217.
Nelms, D. L., Harlow, G. E. Jr. and Hayes, D. C.
(1997). Base-flow characteristics of streams in
the Valley and Ridge, the Blue Ridge, and the
Piedmont physiographic provinces of Virginia.
US Geological Survey Water-Supply Paper 2457.
Neukum, C., Hötzl, H. and Himmelsbach, T. (2008).
Validation of vulnerability mapping methods by
field investigations and numerical modelling.
Hydrogeol. J. , 16 , 641-658.
Neuman, S. P. (1972). Theory of flow in unconfined
aquifers considering delayed response of the
water table. Water Resour. Res. , 8 , 1031-1045.
Neuman, S. P. and Witherspoon, P. A. (1972). Field
determination of the hydraulic properties of
leaky multiple aquifer systems. Water Resour. Res. ,
8 , 1284-1298.
Neuzil, C. E. (1986). Groundwater low in low-
permeability environments. Water Resour. Res. , 22 ,
1163-1195.
Nichols, D. S. and Verry, E. S. (2001). Stream flow
and ground water recharge from small forested
watersheds in north central Minnesota. J. Hydrol. ,
245 , 89-103.
Nichols, W. D. (2000). Regional ground-water eva-
potranspiration and ground-water budgets, Great
Basin, Nevada. US Geological Survey Professional
Paper 1628.
Nielsen, T. H., Well, R. and Myrold, D. D. (1997).
Combination probe for nitrogen-15 soil labeling
and sampling of soil atmosphere to measure sub-
surface denitrification activity. Soil Sci. Soc. Amer. J. ,
61 , 802-811.
Nimmo, J. R. and Perkins, K. S. (2008). Effect of soil
disturbance on recharging fluxes: case study on
the Snake River Plain, Idaho National Laboratory,
USA. Hydrogeol. J. , 16 , 829-844.
Nimmo, J. R., Perkins, K. S. and Lewis, A. M. (2002a).
Steady-state centrifuge. In Methods of Soil Analysis.
Part 4: Physical Methods , ed. J. H. Dane and G. C.
Topp. Madison, Wisconsin: Soil Science Society of
America.

Nimmo, J. R., Perkins, K. S., Rose, P. E. et al . (2002b).
Kilometer-scale rapid transport of naphthalene
sulfonate tracer in the unsaturated zone at the
Idaho National Engineering and Environmental
Laboratory. Vadose Zone J. , 1 , 89-101.
Nimmo, J. R., Stonestrom, D. A. and Akstin, K. C.
(1994). The feasibility of recharge rate determina-
tions using the steady-state centrifuge method.
Soil Sci. Soc. Amer. J. , 58 , 49-56.
Niswonger, R. G. and Prudic, D. E. (2003). Modeling
heat as a tracer to estimate streambed seep-
age and hydraulic conductivity. In Heat as a Tool
for Studying the Movement of Ground Water Near
Streams , ed. D. A. Stonestrom and J. Constantz. US
Geological Survey Circular 1260, 81-89.
Niswonger, R. G., Prudic, D. E., Fogg, G. E.,
Stonestrom, D. A. and Buckland, E. M. (2008).
Method for estimating spatially variable seepage
loss and hydraulic conductivity in intermittent
and ephemeral streams. Water Resour. Res. , 44 ,
W05418, doi:10.1029/2007WR006626.
Niswonger, R. G., Prudic, D. E. and Regan, R. S.
(2006). Documentation of the unsaturated-zone
flow (UZF1) package for modeling unsaturated
flow between the land surface and the water
table with MODFLOW-2005. US Geological Survey
Techniques and Methods 6-A19.
Nœtinger, B., Artus, V. and Zargar, G. (2005). The
future of stochastic and upscaling methods in
hydrogeology. Hydrogeol. J. , 13 , 184-201.
Noilhan, J. and Planton, S. (1989). A simple param-
eterization of land surface processes for meteoro-
logical models. Monthly Weather Rev. , 117 , 536-549.
Nolan, B. T., Healy, R. W., Taber, P. E. et al . (2007).
Factors influencing ground-water recharge in the
eastern United States. J. Hydrol. , 332 , 187-205.
Norin, M., Hulten, A. -M. and Svensson, C.
(1999). Groundwater studies conducted in
Göteborg, Sweden. In Groundwater in the Urban
Environment: Selected City Profiles, , ed. J. Chilton.
Rotterdam: A. A. Balkema, 209-216.
Norman, J. M., Kustas, W. P. and Humes, K. S. (1995).
Source approach for estimating soil and vegeta-
tion energy fluxes in observations of directional
radiometric surface temperature. Agric. Forest Met. ,
77 , 263-293.
Normand, B., Recous, S., Vachaud, G., Kengni, L. and
Garino, B. (1997). Nitrogen-15 tracers combined
with tensio-neutronic method to estimate the
nitrogen balance of irrigated maize. Soil Sci. Soc.
Amer. J. , 61 , 1508-1518.