Transformations from an oblate spheroid to a plane and vice versa: The equations used in the cartographic projection program MAP2

The relationships between the coordinates of a point on the surface on an oblate spheroid and the coordinates of the projection of that point in several common map projections are discussed. Because several of the projections are conformal, the theory of conformally mapping an oblate spheroid to the plane is summarized. For each projection considered, the equations which map the spheroid to the plane and their inverses are given

Trans-Atlantic Interactions

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Henry Brant at the Holland Festival

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Filtering and forecasting commodity futures prices under an HMM framework

We propose a model for the evolution of arbitrage-free futures prices under a regime-switching framework. The estimation of model parameters is carried out using the hidden Markov filtering algorithms. Comprehensive numerical experiments on real financial market data are provided to illustrate the effectiveness of our algorithm. In particular, the model is calibrated with data from heating oil futures and its forecasting performance as well as statistical validity is investigated. The proposed model is parsimonious, self-calibrating and can be very useful in predicting futures prices. © 2013 Elsevier B.V

Appendix: Conjunction-Problem v. Non-Conjunction-Problem Jurisdictions

This appendix presents the relevant data from our survey of jury instructions in support of the article in the print edition of the William & Mary Law Review. The Conjunction Problem and the Logic of Jury Findings (59 Wm. & Mary L. Rev. 619, 673-87 (2017)

Wind Shear Characteristics at Central Plains Tall Towers

The objectives of this report are: (1) Analyze wind shear characteristics at tall tower sites for diverse areas in the central plains (Texas to North Dakota)--Turbines hub heights are now 70-100 m above ground and Wind measurements at 70-100+ m have been rare. (2) Present conclusions about wind shear characteristics for prime wind energy development regions

Wind Shear Characteristics at Central Plains Tall Towers: Preprint

Conference paper for WindPower 2006 held June 4-7, 2006, in Pittsburgh, PA, describing the wind shear characteristics at tall tower sites in the Central Plains of the United States

Development and Validation of High-Resolution State Wind Resource Maps for the United States (Poster)

A poster presentation for AWEA's WindPower 2005 conference in Denver, Colorado, May 15 -18, 2005 that provides an outline of the approach and process used for validating U.S. wind resource maps

Wind Shear and Resources at Elevated Heights: Indiana and Iowa Case Studies (Poster)

This poster discusses the results of an analysis of wind shear and resource characteristics data collected by tall towers in Indiana and Iowa