irrigation canals (Site Type Keyword)

1-4 (4 Records)

General Resources from the Long Term Vulnerability and Transformation Project
PROJECT Margaret Nelson. National Science Foundation.

Long-Term Coupled Socioecological Change in the American Southwest and Northern Mexico: Each generation transforms an inherited social and environmental world and leaves it as a legacy to succeeding generations. Long-term interactions among social and ecological processes give rise to complex dynamics on multiple temporal and spatial scales – cycles of change followed by relative stasis, followed by change. Within the cycles are understandable patterns and irreducible uncertainties; neither...

The Lower Verde Archaeological Project
PROJECT Jeffrey A. Homburg. Richard Ciolek-Torrello. Jeffrey H. Altschul. Stephanie M. Whittlesey. Steven D. Shelley. USDI Bureau of Reclamation, Phoenix Area Office.

The Lower Verde Archaeological Project (LVAP) was a four-year data recovery project conducted by Statistical Research, Inc. (SRI) in the lower Verde River region of central Arizona. The project was designed to mitigate any adverse effects to cultural resources from modifications to Horseshoe and Bartlett Dams. The Department of the Interior, Bureau of Reclamation, Arizona Project’s Office sponsored the research program in compliance with historic preservation legislation. The LVAP’s...

Sustaining Irrigation Agriculture for the Long-Term: Lessons on Maintaining Soil Quality from Ancient Agricultural Fields in the Phoenix Basin and on the North Coast of Peru (2013)
DOCUMENT Full-Text Colleen Strawhacker.

Irrigation agriculture has been heralded as the solution to feeding the world’s growing population. To this end, irrigation agriculture is both extensifying and intensifying in arid regions across the world in an effort to create highly productive agricultural systems. Over one third of modern irrigated fields, however, show signs of serious soil degradation, including salinization and waterlogging, which threaten the productivity of these fields and the world’s food supply. Surprisingly, little...

Vanishing River Volume 4: Chapter 08: Euroamerican History, 1540 to the Present (1997)
DOCUMENT Full-Text Stephanie M. Whittlesey. Terresita Majewski. John R. Welch. Matthew C. Bischoff. Richard Ciolek-Torrello.

In Chapter 8, Whittlesey and her co-authors discuss the historical events and the cultural processes that shaped the use and occupation of central Arizona after AD 1540. The authors focus on broad trends in politics, economics, and the environment that contributed to changes in land-use patterns. They center their discussion on Euro-American populations, but also consider indigenous populations living on reservations. Furthermore, the authors examine patterns in the relations between...