PURR Registry

Geometric Spacecraft Formations Establishment Animations

10.4231/H08E-FF80

03/19/2020

Animations of the establishment of different geometric spacecraft formations using a control algorithm based on artificial potential function and relative orbital elements methodologies.

aerospace artificial potential function relative orbital elements spacecraft control spacecraft formations

Rising methane emissions from boreal lakes due to increasing ice-free days

10.4231/FYFN-1Z68

Mingyang Guo, 0000-0002-3087-453X, Narasinha Shurpali, Pertti Martikainen, Pirkko Kortelainen, Qianlai Zhuang, 0000-0002-4536-9851, Sari Juutinen, Zeli Tan

03/30/2020

This publication includes model output of a lake biogeochemistry model ALBM, and data analysis codes which were used for paper 'Rising methane emissions from boreal lakes due to increasing ice-free days' by Guo et al. in Environmental Research...

Boreal lake Climate Change EAPS Methane Emission

SOPQ: Symbolic OPQ

10.4231/R7MW2F3P

Walter Gautschi, 0000-0001-9184-8899

02/20/2020

This includes symbolic versions of some of the more important OPQ routines.

Airy weight function Bose-Einstein distribution Chebyshev-type quadratures Classical weight functions Computer Science Fermi Dirac weight Function Freud weight function Gauss-type quadrature rules Hermite weight function Jacobi weight functions K-Bessel weight function Laguerre weight functions Mathematics Matlab OPQ routine Orthogonal polynomials Perl Script quadrature Software source code Walter Gautschi Archives Walter Gautschi Selected Works

Monitored soil moisture and temperature in Indiana crop rotated field

10.4231/FM0P-AJ03

Keith A Cherkauer, 0000-0002-6938-5303, Laura C Bowling, 0000-0002-1439-3154, Stuart D Smith

11/23/2020

Soil moisture and temperature data were collected at five different depths from October 2017 to September 2020 in a crop rotated field.

Agricultural and Biological Engineering Agriculture Environment Hydrology Indiana Soil Moisture Soil Temperature Time Series Climate Data

Metadata for alfalfa varieties and experimental lines 1986 to 1999

10.4231/FMY9-6966

Daniel W. Wiersma, Jeffrey Volenec, 0000-0002-5455-6157, Stanislav Pejša, 0000-0001-5057-262X, Sylvie Brouder, 0000-0002-7785-5336, Wayne G. Hartman

06/15/2020

A compiled dataset of the metadata for alfalfa varieties and experimental lines from the Alfalfa Variety Performance Database 1986 to 1999.

Agriculture Agronomy Alfalfa Aphid resistance disease fall dormancy Flower color Grazing tolerance insect resistance Leafhopper resistance Lucerne Medicago Nematode resistance parentage Plant Pathology Root rot Winter survival yield improvement

Genetic and environmental variation in alfalfa forage quality from variety testing experiments conducted in North America between 1986 and 1999

10.4231/02PR-9H36

Daniel Wiersma, Jeffrey Volenec, 0000-0002-5455-6157, Stanislav Pejša, 0000-0001-5057-262X, Sylvie Brouder, 0000-0002-7785-5336, Wayne G. Hartman

06/15/2020

The dataset contains data used to analyze genetic and environmental effects on alfalfa forage quality and corresponding forage yield. Data were compiled from variety tests conducted by University researchers in the US and Canada from 1986 through...

acid detergent fiber ADF Agronomy Alfalfa alfalfa_db crude protein digestibility Forage quality genetic variation Lucerne Medicago NDF neutral detergent fiber Nutritive value variety Yield components

Genetic and environmental variation in alfalfa stand persistence from variety testing experiments conducted in North America between 1986 and 1999

10.4231/KK4K-QD96

Daniel Wiersma, Jeffrey Volenec, 0000-0002-5455-6157, Stanislav Pejša, 0000-0001-5057-262X, Sylvie Brouder, 0000-0002-7785-5336, Wayne G. Hartman

06/15/2020

The dataset contains data used to analyze genetic and environmental effects on alfalfa stand persistence. Data were compiled from alfalfa varieties tests conducted by University researchers in the US and Canada from 1986 through 1999.

Agronomy Alfalfa alfalfa_db Genetic improvement genetic variation Genotype x environment Lucerne Medicago Plant persistence Stand persistence Stress tolerance Variety testing Winter hardiness

Genetic and environmental variation in alfalfa forage yield from variety testing experiments conducted in North America between 1986 to 1999

10.4231/Y31N-5R10

Daniel Wiersma, Jeffrey Volenec, 0000-0002-5455-6157, Stanislav Pejša, 0000-0001-5057-262X, Sylvie Brouder, 0000-0002-7785-5336, Wayne G. Hartman

06/15/2020

The dataset contains data used to analyze genetic and environmental effects on alfalfa yield and agronomic performance. Data were compiled from alfalfa variety tests conducted by University researchers in the US and Canada from 1986 through 1999.

Agriculture Agronomy Alfalfa alfalfa_db Forage yield Genetic improvement Genotype x environment Germplasm Lucerne Medicago variety Variety testing yield improvement