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Physical and Environmental Geography Commons™
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Full-Text Articles in Physical and Environmental Geography
The Human Natural Resource Endowment Of Limestone For Cement Manufacturing, Vanya Marie North
The Human Natural Resource Endowment Of Limestone For Cement Manufacturing, Vanya Marie North
Graduate Theses and Dissertations
This study investigates the total per-capita allocation of limestone globally. Termed the Human Natural Resource Endowment (HNRE), it is calculated by subtracting the cumulative annual production from the ultimately recoverable reserve (URR) of limestone and dividing the difference by global population. HNRE represents a unique way of visualizing resource depletion by asking how much of a given resource can be allocated to each person on earth, and how long that allocation can last given multiple population and usage scenarios. The average American, born in 2021, will use approximately 23,930 kgs of cement in their lifetime, with similar demands globally. Demand …
The Demotechnic Index Of Nations, 1980-2018, Camden Rainwater
The Demotechnic Index Of Nations, 1980-2018, Camden Rainwater
Geosciences Undergraduate Honors Theses
The Demotechnic Index (DI) is a non-dimensional metric that is the scalar multiple of energy consumption over and above that required for mere subsistence of a national population. Thus, the DI is a measure of energy efficiency that scales a country’s industrial energy consumption (called the total technological energy) and the energy required to meet the metabolic demand of the population (called the total metabolic energy). The DI was created by scientist John Vallentyne in 1982, refined in 1994, but never gained popularity or wide use as a sustainability metric. The objective of this thesis was to re-evaluate the DI …