In unconfined parts of the Chalk aquifer in southeast England, permeability generally varies laterally with the lowest permeabilities occurring beneath interfluve areas, and the highest beneath river valleys and dry valleys. Furthermore, the Chalk in the river valleys is normally in excellent hydraulic continuity with the overlying highly permeable Quaternary gravels. However, recent field inve...

tehran is one of the most polluted metropolises in the world. sink capacity for absorption and assimilation of pollution is reduced generally due to failure in inclusion of ecological aspects in regional land use development planning. the present condition of air and water related issues in tehran are greatly affected by landscape structural alterations at urban level. in this research the focu...

the topheth (in ancient jerusalem), considered as a holly land in canaanites period, it was the altar of human sacrifice in honor of baal. the history of the ritual, human sacrifice and the ceremonies accompanied with, among jewish people returns back to when the land of canaan in jordan valley was occupied by the israelite people leading by joshua (ca.1426 b.c.). on these altars the new born c...

haraz river originates from the northern slopes of the alborz and is flowed in a relatively broad valley. there are several village, sector, twenty sand factories and fish culture farms alongside of this river. in addition, restaurants and rest place for travelers sometimes used as a place. this study was performed to study the coliform contamination of ground water along the haraz river.in thi...

introduction the fanuj titaniferous placer deposits are located 35 km northwest of the fanuj, sistan and baluchestan province (1) . the studied area comprises a (2) small part of the late cretaceous fanuj-maskutan (rameshk) ophiolite complex (arshadi and mahdavi, 1987). reconnaissance and comprehensive exploration programs in the fanuj district (east of the 1:100000 fanuj quadrangle map,yazdi, ...

2016 desert symposium e Bouse Formation provides a sedimentary record of the rst arrival of the Colorado River, water and sediment, as it was integrated from the Colorado Plateau to the Gulf of California 5–6 Ma. is unit is generally thin (10–100s m) but widespread within basins in the lower Colorado River corridor that extend from Lake Mead to Yuma (Fig. 1). e basins are interpreted to have be...