Datasets

subject: Forestry and Natural Resources type: dataset

Total is 49 Results
Spectral Separability of Wheat and Other Cover Crops in North Dakota (751215)

10.4231/R7N29TW7

Marvin E. Bauer

04/14/2015

This experiment is to determine the spectral separability of wheat and other cover types common to western North Dakota. These include: fallow, pasture, alfalfa, and winter wheat. These data were collected as a part of the LACIE Field Measurements Proje...

Biodiversity Elevation gradient Forestry and Natural Resources Invasive plants

32-digit values of the first 100 recurrence coefficients relative to the Bose-Einstein weight function w(x)=x/(e^x-1) computed by the SOPQ routine sr_boseeinstein(100,1,32)

10.4231/R7H12ZX3

Walter Gautschi

04/22/2014

The first 100 recurrence coefficients for the Bose-Einstein weight function w(x)=x/(e^x-1) on R_+} are obtained to 32 decimal digits from the first 200 moments by using Chebyshev's algorithm in sufficiently high precision; cf. Sec. 4 of "Variable-prec...

Environment floodmaps floodplain maps Forestry and Natural Resources Geographic Information Systems (GIS) geosciences GIS gSSURGO soil Data Hydrology inland water

32-digit values of the first 100 recurrence coefficients relative to the Fermi-Dirac weight function w(x)=1/(e^x+1) computed by the SOPQ routine sr_fermidirac(100,1,32)

10.4231/R7C82765

Walter Gautschi

04/24/2014

32-digit values of the first 100 recurrence coefficients for orthogonal polynomials relative to the Fermi-Dirac weight function w(x)=1/(e^x+1) computed by the routine sr_fermidirac(100,1,32). See W. Gautschi. Repeated modifications of orthogonal polynomial...

ecotoxicology Forestry and Natural Resources freshwater lentic lotic macroinvertebrate pesticide Predator-Prey Interaction

32-digit values of the first 100 recurrence coefficients relative to the weight function w(x)=x^{-1/2}(1-x)^{-1/2}log(1/x) on (0,1) computed by the SOPQ routine sr_jacobilog1(100,-1/2,-1/2,32)

10.4231/R70Z715M

Walter Gautschi

04/22/2014

The first 100 recurrence coefficients for the weight function w(x)=x^-1/2}(1-x)^-1/2}log(1/x) on (0,1) are obtained to 32 decimal digits from the first 200 modified moments by using Chebyshev's algorithm in sufficiently high precision; cf. Sec.3 of "G...

Amur honeysuckle Climate Change Forestry and Natural Resources grassland growth Nitrogen phenology Pin oak Precipitation

Charpy Impact Test of Very High Toughness Steel That Stopped the Hammer

10.4231/R74T6G98

Matt Hebdon, Ryan Sherman

06/12/2015

This video shows a CVN test in which the hammer stops due to the very high energy absorption of the material. 

Forest Ecology Forestry and Natural Resources Invasive Species Mycorrhizal

Purdue Agronomy Farm Sorghum Polarization (836401)

10.4231/R7X63JV2

Vern C. Vanderbilt

07/16/2015

The purpose of this experiment is to characterize the polarization of a sorghum field at various view and illumination angles and by its physical and agronomic attributes. Reflectance measurements were acquired in the three Landsat Thematic Mapper waveleng...

Fire Tolerance Forest Ecology Forestry and Natural Resources Mesophication Shade Tolerance

PRICLE community composition and soil moisture 2012-2013

10.4231/R7TQ5ZG3

Jeffrey Dukes, Michael Schuster, Nicholas G. Smith

12/01/2015

These data correspond to a paper entitled "Rainfall variability and nitrogen addition synergistically reduce plant diversity in a restored tallgrass prairie" by Smith, Schuster, and Dukes published in the Journal of Applied Ecology.

Amphibian Dilution Effect Disease Ecology Emerging Infectious Diseases Forestry and Natural Resources Iridovirus Multimodel Inference Ranavirus Reservoir Species

Purdue University Buildings Demolition, Construction Images, December 2015, POTR Building Camera 1

10.4231/R7H99359

Alexander M. Hainen, Andrew Sydelko, Darcy M. Bullock, David Burford, Michael Witt

04/01/2016

Purdue's campus landscape continues to change with the construction of new buildings and the remodel of old buildings. In 2012 the Engineering Administration Building (ENAD) and the iconic Heat and Power Plant-North (HPN) were targeted for demoliti...

Agriculture Climate Change Conservation Forestry and Natural Resources Indiana Interviews Iowa Water Quality

32-digit values of the first 100 recurrence coefficients for the Fermi-Dirac weight function

10.4231/R7HQ3WW3

Walter Gautschi

11/29/2016

32-digit values of the first 100 recurrence coefficients for orthogonal polynomials relative to the weight function w(x)=[1/(exp(x)+1)]^r on [0,Inf], r=1, are computed by a moment-based method using the routine sr_fermidirac(dig,32,100,1), where dig=124 ha...

ecotoxicology Forestry and Natural Resources freshwater lentic lotic macroinvertebrate pesticide Predator-Prey Interaction

32-digit values of the first 100 recurrence coefficients for the Bose-Einstein weight function

10.4231/R7MG7MGF

Walter Gautschi

11/30/2016

32-digit values of the first 100 recurrence coefficients for orthogonal polynomials relative to the weight function w(x)=[x/(exp(x)-1)]^r on [0,Inf], r=1, are computed by a moment-based method using the routine sr_boseeinstein(dig,32,100,1), where dig=124...

Environment floodmaps floodplain maps Forestry and Natural Resources Geographic Information Systems (GIS) geosciences GIS gSSURGO soil Data Hydrology inland water

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