REFERENCES 
Al Qudah, B., 2003: Soils of Jordan, Options 
Méditerranéennes, Série B, n. 34, 
Ministry of Agriculture Amman – 
Jordan, personal correspondence. 
Arnoldus, H M J, 1977: Methodology used to 
determine the maximum potential 
average annual soil loss due to sheet 
and rill erosion in Morocco., FAO, soil 
bulletin 34: 39-48. 
Bender F., 1974: Geology of Jordan. Natural 
Resources Authority and German 
Geological Mission in Jordan Hanover, 
Germany 
Brooks, K.N., P.F Ffolliott, H.M. 
Gregersen, andL.F. Debono, 2003:
Hydrology and the Management of 
Watersheds, 3rd Edition. Iowa State 
Press, Ames, Iowa. 
Edmonds W. J., P. J. Thomas, T. W. 
Simpson, and J. C. Baker, 1998: 
Land Judging and soil evaluation, 
Virginia Polytechnic Institute and State 
University Department of Crop and Soil 
Environmental Sciences,Blacksburg, 
Virginia 24061-0404 
Eltaif N. I., M. A. Gharaibeh, F. AL-zaitawi 
and M. N. Al hamad, 2010:
Approximation of Rainfall Erosivity 
Factors in North Jordan, pub.Elsevier, 
Pedosphere 20(6): 711–717. 
Essa S., 2004: GIS modeling of land 
degradation in northern Jordan using 
Landsat imagery. In: Proceeding of the 
22nd Annual Conference International 
Society for Photogrammetry and 
Remote Sensing (ISPRD), Istanbul 
Turkey. pp. 10-14. 
Fajer Al-Zitawi. 2006: Using RUSLE in 
prediction of soil loss for selected sites 
in North and North West of Jordan 
(Master Thesis), Irbid, Jordan 
University Of Science and Technology. 
Hattar B.I, A. Y. Taimeh , F. M. Ziadat 
2010: Variation in soil chemical 
properties along toposequences in an 
arid region of the Levant. CATENA 83: 
34-45. 
Hickey, R, A. Smith, and P. Jankowski, 
1994: Slope length calculations from a 
DEM within ARC/INFO GRID. 
Computers, Environment and Urban 
Systems 18(5): 365 - 380. 
http://www.fao.org/ag/AGP/AGPC/doc/Counp
rof/Jordan/Jordan.htm
http://www.gdem.aster.ersdac.or.jp/search.jsp
Jordan Climatological Handbook, 2000:
Meteorological Department, Ministry of 
Transport. Amman, jordan 
Loch, R. J., B. K. Slater. and C. Devoil, 
1998: Soil erodibility (Km) values for 
some Australian soils. Australian 
journal of Soil Research 36: 1045-1055. 
McCool, D.K., G.R. Foster, and G.A. 
Weesies. 1997: Slope Length and 
Steepness Factors (LS), Chapter 4, pp. 
101-141 in Renard et al., 1997 Cited 
below. 
Meyer, L.D. 1984: Evolution of the universal 
soil loss equation. Journal Soil and 
Water Conservation 39: 99-104 
Mitasova ,H., J.Hofierka, M. Zlocha, and 
R.L.Iverson. 1996: Modeling 
topographic potential for erosion and 
                                                                                                                deposition using GIS. International 
Journal of Geographical Information 
Science 10(5): 629-641. 
Renard, K. G. and J. R. Freimund 1994:
Using Monthly Precipitation Data to 
Estimate the R factor in the Revised 
USLE. Journal of Hydrology 157: 287–
306. 
Renard, K.G., G.R. Foster, G.A. Weesies, 
D.K. McCool, and D.C. Yoder, 1997:
Prediction Soil Erosion by Water: A 
Guide to Conservation Planning with 
the Revised Universal Soil Loss 
Equation (RUSLE). Agriculture 
Handbook No. 703 
Romkens, M.J.M., 1985: The soil erodibility 
factor: a perspective. In: S.A. ElSwaify, W.C. Moldenhauer, and A. Lo, 
eds., Soil Erosion and Conservation, pp. 
445-461. Soil and Water Conservation 
Soceity of America, Ankeny, Iowa. 
Royal Jordanian Geographic Center (R J G 
C), 2005: Land cover- Land use 
classification of Jordan. 
Schwab, G .O., R. K. Frevert, T. W. 
Edminster, and K. K. Barnes, 1981: 
Soil & Water Conservation 
Engineering, Third Edition. John Wiley 
and Sons: New York. 
Shen, H.W. and P.Y. Julien. 1993: Erosion 
and sediment transport. Chapter 12. In: 
Maidment, D.R. (ed.). Handbook of 
Hydrology. McGraw-Hill, Inc., New 
York. 
Van Remortel, R., M. Hamilton, and R. 
Hickey, 2001: Estimating the LS factor 
for RUSLE through iterative slope 
length processing of DEM data. 
Cartography 30(1): 27 - 35. 
Weesies, G.A. 1998: Predicting soil erosion 
by water: A guide to conservation 
planning with the Revised Universal 
Soil Loss Equation (RUSLE). 
Agriculture Handbook No. 703. 
Washington, District of Columbia, 
USA. 
Wischmeier , W.H., C.B Johnson, and B.B. 
Cross. 1971: A soil erodibility 
nomograph for farmland and 
construction sites. Journal of Soil and 
Water Conservation 26:189-193. 
Wischmeier W.H.,and D.D Smith., 1965:
Predicting rainfall erosion losses from 
cropland east of the Rocky Mountains –
Guide for selection of practices for soil 
and water conservation .United States 
Department of Agriculture (USDA). 
(Agriculture Handbook. NO.537). 
Washington , DC. 
Wischmeier, W.H., and D.D.Smith, 1978:
Predicting rainfall erosion losses: A 
Guide to conservation planning . United 
States Department of Agriculture 
(USDA). Agricultural Handbook 
No.537. Washington , DC .