Discussion of simultaneous measurement of storm rainfall and resulting runoff during individual storms made in small basins in the San Francisco Bay Area, California, over a period of ten years. Using lag time relations, synthetic hydrograph
construction shows the effect of urbanization on peak discharge from a given storm.
The change of thermal properties by the replacement of natural surface by artificial materials has been considered as one of the causes of urban heat island. In this paper, asphalt pavement was chosen as one of the typical land uses in urbanarea
The characteristics of vegetation modified by human intervention are demonstrated by altitudinal distribution, types of area, modes of life, thermal demands and moisture demands. The ruderal weeds vegetation resulting from urbanization is described
The effect of urbanization on storm runoff from two catchment areas in North London in Effets de l'urbanisation et de l'industrialisation sur le régime hydrologique et sur la qualité de l'eau.
Introduction to the geomorphology of the Wadden Sea area in Geomorphology of the Wadden Sea area, final report of the section Geomorphology of the Wadden Sea Working Group.
Main features of the development of the Wadden Sea area are described: limitation of the area, the rise of the sea level since the Weichselian Glaciation, the sediment balance, the coastal development and the international position of the Wadden Sea
Estimating stream cross-sectional area from wetted width and thalweg depth
Cross-sectional areas calculated from stream width and thalweg depth by the formula for a triangle were compared to those determined from conventional survey measurements. T-tests indicated no significant difference in cross-sectional areas
by the two methods. Cross-sectional areas determined by the triangle method are easy to obtain and appear generally to provide an accurate estimate of mean cross-sectional area for a wide range of channel conditions.
The glacial topography in the area of the middle-lower reaches of the Yangtze river
The Quaternary glacial landforms, such as cirques, glacial troughs, rock drumlins and lateral moraines are discovered in the area of the middle-lower reaches of the Yangtze river. Based on the feature of glacial landforms and the data of analysis
of the experiment in the laboratory, AA divide the climatic period of Quaternary in this area into four glacial stages.
Seismic structural analysis at Abu Darag area, Gulf of Suez, Egypt
The scope of this study is to represent a detailed idea on the structural situation in Abu Darag area. This goal was achieved by integrating the available seismic data and both geophysical-geological borehole data. This was to identify the area
Weathering in the Wyborg rapakivi area, south-eastern Finland
Field survey of weathering sites in the Wyborg rapakivi area indicates that saprolites are far more common in the central part of the massif than in the marginal areas. Many till-covered saprolites and parautochthonous crust-tills prove
Age determination of fossil ice-wedge polygons in Nordic areas
In the Nordic areas there are indications of fossil ice-wedge polygons in the ground surface, e. g. as: (1) a pattern of shallow furrows, (2) crop marks in cultivated areas. The paper intends to give a survey of and to discuss applicable methods
Data from representative basins demonstrate the moderating effect of forested areas on runoff. This reduction was analysed in detail for peak discharges and runoff coefficients.
A groundwater hypothesis for the origin of fire areas on the Northern Channel Islands, California
California ; Carbonisation ; Diagenèse ; Etats-Unis ; Fire area ; Géographie physique ; Northern Channel Islands ; Quaternaire ; Rubéfaction ; Sédimentologie
Pleistocene areas of red sediments and carbonized vegetation have in the past been interpreted as caused by fires of either natural or human origin. Some are associated with darkened mammoth and bird fossils, which have been considered as having
been burned by early man. Reevaluation of these so-called fire areas by interdisciplinary investigations indicates that the above phenomena are the result of low-temperature (up to 100o C), non heating processes occurring in groundwater.
Largescale geomorphologic pattern of the Wadden Sea area in Geomorphology of the Wadden Sea area, final report of the section Geomorphology of the Wadden Sea Working Group.
The main landscape types of the Wadden Sea area are shown on a small scale geomorphological map.
The use of specific surface area, pore volume, and pore area in evaluating the degree of weathering of fine particles : an example from Lauhanvuori, western Finland
Sedigraph analysis, nitrogen adsorption method and mercury porosimeter test. The fine grained material from weathered granite has specific surface area values of for greater than those corresponding from silty till and clayey vein. The results
of the mercury porosimeter test show a strong increase in the cumulative pore volume and pore area in pores with diameters less than 1 micrometre, as compared with the corresponding pore sizes in the finest powder of a similar grain size distribution from
Soil nutrients in eroded granitic areas of south China
The AA. try to assess the nutrient status of the soils, both in the upland and the lowland areas, to examine the nutrient losses, and to determine needs for the improvement of agricultural soil fertility. Results from this study may broaden