Center for Geospatial Analytics

Works Published in 2008

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Displaying works 61 - 80 of 82 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2008 journal article

The mesoscale characteristics of tropical oceanic precipitation during Kelvin and mixed Rossby-gravity wave events

MONTHLY WEATHER REVIEW, 136(9), 3446–3464.

By: C. Holder n, S. Yuter n, A. Sobel * & A. Aiyyer n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Spatial and temporal variability of streambed hydraulic conductivity in West Bear Creek, North Carolina, USA

JOURNAL OF HYDROLOGY, 358(3-4), 332–353.

By: D. Genereux n, S. Leahy n, H. Mitasova n , C. Kennedy n & D. Corbett *

Contributors: D. Genereux n, S. Leahy n, H. Mitasova n , C. Kennedy n & D. Corbett *

author keywords: hydraulic conductivity; streambed; permeameter; semi-variogram; erosion; grain size
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Multimodel ensembles of streamflow forecasts: Role of predictor state in developing optimal combinations

Water Resources Research, 44(9).

By: N. Devineni n, A. Sankarasubramanian  n & S. Ghosh n 

TL;DR: Contingency analyses on categorical forecasts show that the proposed multimodel combination technique reduces average Brier score and total number of false alarms, resulting in improved reliability of forecasts, and adding climatological ensembles improves the multimodels performance resulting in reduced average RPS. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018

2008 journal article

Modeling longitudinal spatial periodontal data: A spatially adaptive model with tools for specifying priors and checking fit

BIOMETRICS, 64(3), 790–799.

By: B. Reich n  & J. Hodges *

author keywords: conditional autoregressive prior; disease monitoring; nonstationarity; periodontal data; spatiotemporal data
MeSH headings : Analysis of Variance; Biometry / methods; Cross-Sectional Studies; Humans; Longitudinal Studies; Models, Dental; Models, Statistical; Periodontal Attachment Loss / pathology; Periodontal Diseases / diagnosis; Periodontal Diseases / etiology; Periodontal Diseases / pathology; Periodontics / statistics & numerical data; Regression Analysis
TL;DR: A nonstationary spatiotemporal CAR model is developed that allows the degree of spatial and temporal smoothing to vary in different regions of the mouth and proposes a heuristic to measure the complexity of the site‐specific variances. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Frequency-magnitude distribution of microearthquakes beneath the 9 degrees 50 ' N region of the East Pacific Rise, October 2003 through April 2004

GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 9.

By: D. Bohnenstiehl n, F. Waldhauser * & M. Tolstoy*

author keywords: b values; microearthquakes; hydrothermal circulation; East Pacific Rise; mid-ocean ridge seismicity
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Evaluation of atoxigenic isolates of Aspergillus flavus as potential biocontrol agents for aflatoxin in maize

FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT, 25(10), 1264–1271.

By: J. Atehnkeng*, P. Ojiambo n , T. Ikotun*, R. Sikora*, P. Cotty * & R. Bandyopadhyay *

author keywords: aflatoxin; corn; mycotoxin; competitive exclusion; West Africa
MeSH headings : Aflatoxin B1 / analysis; Aflatoxin B1 / antagonists & inhibitors; Aflatoxins / analysis; Aflatoxins / antagonists & inhibitors; Aspergillus flavus / chemistry; Crops, Agricultural; Ecology / methods; Food Microbiology; Nigeria; Pest Control, Biological; Spores; Zea mays / chemistry; Zea mays / microbiology
TL;DR: Among the naturally occurring atoxigenic isolates in Nigeria, two isolates from Lafia, La3279 and La3303, were most effective at reducing aflatoxin B1 + B2 concentrations in both laboratory and field trials. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 article

Diurnal characteristics of precipitation features over the tropical east Pacific: A comparison of the EPIC and TEPPS regions

Cifelli, R., Nesbitt, S. W., Rutledge, S. A., Petersen, W. A., & Yuter, S. (2008, August). JOURNAL OF CLIMATE, Vol. 21, pp. 4068–4086.

By: R. Cifelli*, S. Nesbitt *, S. Rutledge *, W. Petersen * & S. Yuter n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Lack of correlation between chlorophyll a and cloud droplet effective radius in shallow marine clouds

GEOPHYSICAL RESEARCH LETTERS, 35(13).

By: M. Miller n  & S. Yuter n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Development of tuber blight (Phytophthora infestans) on potato cultivars based on in vitro assays and field evaluations

HORTSCIENCE, 43(5), 1501–1508.

By: R. Nyankanga, O. Olanya, H. Wien, R. El-Bedewy, J. Karinga & P. OJiambo* 

author keywords: Phytophthora infestans; US-1 genotype; Solanum tuberosum; R-genes; tuber blight; tuber blight prediction
TL;DR: Although tuber infection differed among cultivars, the frequency of blighted tubers had a normal statistical distribution irrespective of R-genes, implying that foliar resistance may have limited effect on tuber blight occurrence based on in vitro experiments. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

Evaluation of soybean germplasm for resistance to soybean rust (Phakopsora pachyrhizi) in Nigeria

PLANT DISEASE, 92(6), 947–952.

By: M. Twizeyimana *, P. Ojiambo n , T. Ikotun*, J. Ladipo*, G. Hartman * & R. Bandyopadhyay *

author keywords: disease resistance; stability analysis
TL;DR: Results indicate that some of the breeding lines (TGx 1835-10E, TGx 1895-50F, and TGx 1903-3F) and accessions would be useful sources of soybean rust resistance genes for incorporation into high-yielding and adapted cultivars. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2008 journal article

Raindrop size distributions and rain characteristics in California coastal rainfall for periods with and without a radar bright band

JOURNAL OF HYDROMETEOROLOGY, 9(3), 408–425.

By: B. Martner*, S. Yuter n, A. White *, S. Matrosov *, D. Kingsmill * & F. Ralph*

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Procedural urban modeling in practice

IEEE COMPUTER GRAPHICS AND APPLICATIONS, 28(3), 18–26.

By: B. Watson n, P. Mueller, P. Wonka *, C. Sexton*, O. Veryovka* & A. Fuller*

TL;DR: The authors review procedural modeling, examine the CityEngine tool, and study the use of procedural urban modeling in Electronic Arts' Need for Speed games. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 article

Procedural methods for urban modeling

IEEE COMPUTER GRAPHICS AND APPLICATIONS, Vol. 28, pp. 16–17.

By: B. Watson n & P. Wonka *

TL;DR: This special issue captures a good snapshot of work in this emerging area of simulation of the man-made environment, especially cities, which is becoming an increasingly important research problem in computer graphics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Effect of sampling density and design on estimation of streambed attributes

JOURNAL OF HYDROLOGY, 355(1-4), 164–180.

By: C. Kennedy n, D. Genereux n, H. Mitasova n , D. Corbett * & S. Leahy n

Contributors: C. Kennedy n, D. Genereux n, H. Mitasova n , D. Corbett * & S. Leahy n

author keywords: streambed; groundwater; sampling; error; nitrate; hydraulic conductivity
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Per-pixel classification of high spatial resolution satellite imagery for urban land-cover mapping

PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING, 74(4), 463–471.

By: D. Hester, H. Cakir*, S. Nelson*  & S. Khorram*

TL;DR: These findings demonstrate that conventional spectral-based classification methods can be used to generate highly accurate maps of urban landscapes using high spatial resolution imagery. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Simultaneous regression shrinkage, variable selection, and supervised clustering of predictors with OSCAR

BIOMETRICS, 64(1), 115–123.

By: H. Bondell n & B. Reich n 

author keywords: correlation; penalization; predictive group; regression; shrinkage; supervised clustering; variable selection
MeSH headings : Algorithms; Artificial Intelligence; Biometry / methods; Cluster Analysis; Computer Simulation; Data Interpretation, Statistical; Epidemiologic Methods; Models, Biological; Models, Statistical; Regression Analysis
TL;DR: A new method called the OSCAR (octagonal shrinkage and clustering algorithm for regression) is proposed to simultaneously select variables while grouping them into predictive clusters, in addition to improving prediction accuracy and interpretation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Novel sources of resistance to Fusarium stalk rot of maize in tropical Africa

PLANT DISEASE, 92(5), 772–780.

By: C. Afolabi *, P. Ojiambo n , E. Ekpo*, A. Menkir & R. Bandyopadhyay

TL;DR: Four inbred lines evaluated in field trials at Ikenne and Ibadan, Nigeria in 2003 and 2004 to identify new sources of resistance to stalk rot caused by Fusarium verticillioides have been identified to have high levels of disease resistance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

High-resolution observations and model simulations of the life cycle of an intense mesoscale snowband over the northeastern United States

MONTHLY WEATHER REVIEW, 136(4), 1433–1456.

By: D. Novak n, B. Colle  n & S. Yuter n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Seed odor mediates an obligate ant-plant mutualism in Amazonian rainforests

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 105(12), 4571–4575.

By: E. Youngsteadt n, S. Nojima n, C. Haeberlein, S. Schulz * & C. Schal n 

MeSH headings : Animal Structures / drug effects; Animals; Ants / drug effects; Ants / physiology; Behavior, Animal / drug effects; Chromatography, Gas; Odorants; Peru; Plant Extracts / chemistry; Plant Extracts / pharmacology; Plants / drug effects; Plants / parasitology; Rain; Seeds / chemistry; Seeds / drug effects; Smell / drug effects; Symbiosis / drug effects; Tropical Climate
TL;DR: It is shown that workers of theAG ant Camponotus femoratus are attracted to odorants emanating from seeds of the AG plant Peperomia macrostachya, and that chemical cues also elicit seed-carrying behavior, and the chemical basis of this important and enigmatic interaction is illuminated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2008 journal article

Role of retrospective forecasts of GCMs forced with persisted SST anomalies in operational streamflow forecasts development

JOURNAL OF HYDROMETEOROLOGY, 9(2), 212–227.

By: A. Sankarasubramanian  n, U. Lall * & S. Espinueva*

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

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