EVALUATION OF CLIMATIC, SLOPE, AND SITE FACTORS ON EROSION FROM UNPROTECTED ROADBANKS

RESEARCH STUDIES TO EVALUATE THE ROADSIDE EROSION PROCESS AND TO MEASURE EFFECTIVE STABILIZATION BY VARIOUS TECHNIQUES WERE CONDUCTED IN THE COOSA WATERSHED IN NORTHWEST GEORGIA. STUDIES ARE DESCRIBED OF THE DETAILED ANALYSES OF THE RAINFALL, RUNOFF, AND SEDIMENT RECORDS THAT WERE COLLECTED DURING A 5-YEAR FIELD STUDY ON SIX BARE EXPERIMENTAL ROAD PLOTS TO OBTAIN THE INTERRELATIONSHIP THAT SIGNIFICANTLY INFLUENCES SEDIMENT PRODUCTION AND YIELD. SEDIMENT YIELD WAS SATISFACTORILY MEASURED ON A MONTHLY BASIS, BUT SEDIMENT PRODUCTION WAS ONLY MEASURED ANNUALLY. MONTHLY PRODUCTION AND YIELD WERE INFLUENCED BY LOW TEMPERATURES AND HIGH SOIL MOISTURE DURING DECEMBER, JANUARY, AND FEBRUARY. THE HIGHEST MONTHLY SEDIMENT YIELDS OCCURRED DURING JANUARY, FEBRUARY, AND MARCH AS A RESULT OF HIGH MOISTURE AND LOW TEMPERATURES, EVEN WITH RELATIVELY LOW RAINFALL IMPACT ENERGY. OBTAINING AN ACCURATE PREDICTION EQUATION FOR SEDIMENT PRODUCTION ON AN ANNUAL BASIS APPEARS TO BE DIFFICULT WITH PRESENTLY AVAILABLE DATA. MATHEMATICAL MODELS FOR PREDICTING ANNUAL SEDIMENT YIELDS WERE GOOD.

  • Supplemental Notes:
    • Vol 10, No 1, PP 9-11, 14, 5 FIG, 2 TAB, 5 REF
  • Authors:
    • Diseker, E G
    • Mcginnis, J T
  • Publication Date: 1967

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Filing Info

  • Accession Number: 00204774
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Mar 9 1970 12:00AM