Research
Active projects On-going, inactive projects Projects that have ended
- Ecosystem Monitoring: The Desert Laboratory Collection of Repeat Photography
- Repeat Photography Book
- Repeat Photography of the Colorado River: the Nims-Stanton views (1889-1890)
- Environmental Change in Malpai Borderlands
- Tucson’s Santa Cruz River
- Changes in Rapids of the Colorado River
- Changes in Riverine Environment of Cataract Canyon
- Environmental Change in Northern Arizona and Southern Utah: the JJ Hanks Collection
- Repeat Photography of Mojave Desert Ghost Towns
- Environmental Change in Kenya
- Changes in Riparian Vegetation
- The Changing Mile Revisited
- Debris Flow Hazards in Arid and Semiarid Regions
- Cataract Canyon
- Southeastern Arizona
- Israel
- Grand Canyon
- Colorado Plateau
- Wildlife Habitat Modeling
- Long-Term Wind Vectors in Coachella Valley
- Desert Tortoise Habitat Modeling
- Sand Transport, Sediment Budget, and the Coachella Valley Fringe-toed Lizard
- Arroyos and Flood Frequency
- Arroyo Filling on the Santa Cruz River in Tucson
- Climatic Variability and Flood Frequency of the Santa Cruz River
- Historic Channel Change in Southwestern US
- Nonstationarity of Flood Frequency in the Southwestern US
- Floods, Droughts, and Climate Change
- Ancient Floods, Modern Hazards
- Mojave Desert Ecosystem
- Long-Term Carbon Storage in Mojave Desert Plant Assemblages
- Natural Recovery of Perennial Vegetation
- Long-Term Change in Perennial Vegetation in Response to Climate
- Fire Effects on Blackbrush Vegetation
- The Mojave Desert: Ecosystem Processes and Sustainability
- Sediment Yield from Small Drainage Basins
- Soil Compaction Vulnerability
- Environmental Effects of Off-Road Vehicles
- Soil Compaction Recovery
- Climate Variability
- Modeling Seasonal Precipitation on the Nevada Test Site
- Long-Term Variation in Colorado Plateau Precipitation
- Long-Term Variation in Mojave Desert Precipitation
- Biogeography and Conservation Biology of the Sonoran Desert Ecosystem
- Succulent Plant Biogeography of the Baja California Peninsula
- Description of Agave turneri Webb Ceseña-Salazar species nova
- Tumamoc Hill Long-Term Study Plots
- Demographics of Charismatic Columnar Species
- Sonoran Desert Plants: An Ecological Atlas
- Grand Canyon Environmental Change
- Grand Canyon, a Century of Change
- Repeat Photography of the Colorado River: the Nims-Stanton views (1889-1890)
- Barrel Cactus Demography
- Desert Plant Demographics
- The Controlled Flood in Grand Canyon
- Lee's Ferry
- Observations of Change Along the Colorado River, 1869-1963
- 1923 USGS Expedition
- Lava Dams
- Sonoran Desert Disturbance Ecology
- Fire Effects on King Valley, Kofa National Wildlife Refuge
- Geomorphic Effects of the Hope Fire, Kofa National Wildlife Refuge
- Effects of Illegal Aliens and Drug Smuggling on Organ Pipe NM
- Environmental Impacts of the US – Mexico Border Fence
- The Colorado River
- Repeat Photography of the Colorado River: the Nims-Stanton views (1889-1890)
- Longitudinal Profile Changes
- Tree Ring Reconstruction of Flow in Cataract Canyon
- Variation in Historic Flow at Lee’s Ferry
Files in pdf format can be viewed with Adobe Acrobat Reader which is available at http://www.adobe.com.
