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Physical and Environmental Geography Commons

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Full-Text Articles in Physical and Environmental Geography

A Multi-Metric Approach To Fay-Herriot Small Area Estimation Of Forests, Zachary Dorminey Aug 2024

A Multi-Metric Approach To Fay-Herriot Small Area Estimation Of Forests, Zachary Dorminey

Masters Theses

Forest managers are tasked with decisions regarding silvicultural practices that require detailed information about the environments they serve. Managing complex structures like forests demands consideration of many interrelated variables characterizing the overall condition of a forest. Success in these management initiatives includes not only maximum production from the timber assets, but also proof that these operations accord with modern sustainable practices. Small area estimates obtained from a National Forest Inventory (NFI) dataset lack necessary statistical certainty due to a relatively small sample of forest plots. These inventory datasets are spatially sparse, yet attribute-rich. Given these properties, research efforts in this …


Unlocking Pre-1850 Instrumental Meteorological Records: A Global Inventory, Stefan Bronnimann, Rob Allan, Linden Ashcroft, Saba Baer, Mariano Barriendos, Fiona Williamson, Et Al Dec 2019

Unlocking Pre-1850 Instrumental Meteorological Records: A Global Inventory, Stefan Bronnimann, Rob Allan, Linden Ashcroft, Saba Baer, Mariano Barriendos, Fiona Williamson, Et Al

Research Collection School of Social Sciences

A global inventory of early instrumental meteorological measurements is compiled. It comprises thousands of series, many of which have not been digitized, pointing to the potential of weather data rescue.Instrumental meteorological measurements from periods prior to the start of national weather services are designated “early instrumental data”. They have played an important role in climate research as they allow daily-to-decadal variability and changes of temperature, pressure, and precipitation, including extremes, to be addressed. Early instrumental data can also help place 21st century climatic changes into a historical context such as to define pre-industrial climate and its variability. Until recently, the …


Cruising The Canal: A Methodological Approach To Assessing Trail Conditions Along The Hennepin Canal Parkway, Alyssa Clarida Feb 2016

Cruising The Canal: A Methodological Approach To Assessing Trail Conditions Along The Hennepin Canal Parkway, Alyssa Clarida

Geography: Student Scholarship & Creative Works

Trail conditions in the United States are degrading and trail systems do not receive enough funding to repair them in a timely manner. Park managers often conduct trail assessments to collect trail condition data. They use this data to make timely and judicious decisions regarding trail repairs. However, many trail assessments are time consuming, costly, and require high levels of expertise. This project creates a trail assessment methodology that can be applied to a trail with limited funds. The final methodology was efficient, succinct, accurate, and simple to conduct. It uses a problem based methodology where every instance of degradation …