Search Results - "HECK, Richard J."

Soil pore characteristics assessed from X-ray micro-CT derived images and correlations to soil friability by Munkholm, Lars J., Heck, Richard J., Deen, Bill

“…X-ray computed tomography (CT) scanning technology has, in recent decades, been shown to be a very powerful technique to visualize and quantify soil structure…”
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Sample Size Optimization for Digital Soil Mapping: An Empirical Example by Saurette, Daniel D., Heck, Richard J., Gillespie, Adam W., Berg, Aaron A., Biswas, Asim

“…In the evolving field of digital soil mapping (DSM), the determination of sample size remains a pivotal challenge, particularly for large-scale regional…”
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Thermal and volumetric assessment of endodontic filling techniques using infrared thermography and micro-CT by Suassuna, Fernanda Clotilde M., Débora Ketley M. de Araújo, Ana Marly A. M. Amorim, Melo, Saulo Leonardo S., Heck, Richard J., Antonino, Antonio Celso D., Bento, Patrícia M., Silva, Diego Filipe B., Melo, Daniela P. de

“…Purpose: To assess root temperature during filling techniques and quantify the volume of endodontic filling materials using infrared thermography (IT) and…”
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Remote Sensing of Soil Moisture in Vineyards Using Airborne and Ground-Based Thermal Inertia Data by Soliman, Aiman, Heck, Richard, Brenning, Alexander, Brown, Ralph, Miller, Stephen

“…Thermal remote sensing of soil moisture in vineyards is a challenge. The grass-covered soil, in addition to a standing grape canopy, create complex patterns of…”
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Characterization of soil magnetic susceptibility: a review of fundamental concepts, instrumentation, and applications by Shirzaditabar, Farzad, Heck, Richard J.

“…The characterization of magnetic susceptibility (MS) has become an accepted technique in soil science. This review examines the concept of volume and…”
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Peeling the Otolith of Fish: Optimal Parameterization for Micro-CT Scanning by Vasconcelos-Filho, Jonas E., Thomsen, Felix S. L., Stosic, Borko, Antonino, Antonio C. D., Duarte, Daniel A., Heck, Richard J., Lessa, Rosangela P. T., Santana, Francisco M., Ferreira, Beatrice P., Duarte-Neto, Paulo J.

“…In this paper, we aim to provide optimal parameters for micro-computed tomography scans of fish otoliths. We tested fifteen different combinations to sagittae…”
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A proposed framework for assigning soil drainage classes to non-redoximorphic soils in the Canadian System of Soil Classification by Saurette, Daniel D., Warren, C. James (Jim), Heck, Richard J.

“…Drainage refers to the frequency and duration of periods of saturation, and how quickly excess water is removed from the soil profile. It is one of the central…”
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Proposed new soil order — Leptosolic order for Canadian System of Soil Classification by Warren, C. James, Saurette, Daniel D., Heck, Richard J., Comeau, Louis-Pierre

“…Shallow soils occur throughout the world and are recognized as Leptosols at the highest level in the World Reference Base. These soils are notionally…”
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Rationalizing mottling and gleying in the characterization and classification of Canadian soils by Heck, Richard J., Saurette, Daniel D., Warren, C. James (Jim)

“…Mottling and gleying remain important characteristics for the classification of soils in Canada. The development of criteria for the morphological description…”
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Nitrogen‐mediated effects of elevated CO2 on intra‐aggregate soil pore structure by Caplan, Joshua S., Giménez, Daniel, Subroy, Vandana, Heck, Richard J., Prior, Stephen A., Runion, G. Brett, Torbert, H. Allen

“…Soil pore structure has a strong influence on water retention, and is itself influenced by plant and microbial dynamics such as root proliferation and…”
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X-Ray CT Scan as an Aid to Identification and Description of a New Bivalve Species (Mollusca) from the Mississippian Bluefield Formation, Southeastern West Virginia by Peck, Robert L, Bailey, Jack B, Heck, Richard J, Scaiff, Nathan T

“…X-ray CT scans at two different energies of three articulated specimens of Spathelopsis oakvalensis n. sp., a bivalve from the Bluefield Formation of the Mauch…”
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MULTIFRAC: An ImageJ plugin for multiscale characterization of 2D and 3D stack images by Torre, Iván .G., Heck, Richard J., Tarquis, A.M.

“…MULTIFRAC is an ImageJ plugin that addresses, through a user-friendly interface, the characterization and multiscaling analysis of 2D and 3D binary and gray…”
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Nitrogen-mediated effects of elevated CO 2 on intra-aggregate soil pore structure by Caplan, Joshua S, Giménez, Daniel, Subroy, Vandana, Heck, Richard J, Prior, Stephen A, Runion, G Brett, Torbert, H Allen

“…Soil pore structure has a strong influence on water retention, and is itself influenced by plant and microbial dynamics such as root proliferation and…”
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Characterizing soil surface structure in a temperate tree-based intercropping system using X-ray computed tomography by Jefferies, Daniel A, Heck, Richard J, Thevathasan, Naresh V, Gordon, Andrew M

“…The objective of this work was to characterize differences in the soil surface (top 3.5 cm) microstructure, as influenced by four tree species, within a…”
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A comparison of optical and X-ray CT technique for void analysis in soil thin section by Elliot, Thomas R., Heck, Richard J.

“…The application of X-ray computed tomography (CT) in soil micromorphology has motivated researchers to quantify soil structure, particularly void space, for…”
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comparison of 2D vs. 3D thresholding of X-ray CT imagery by Elliot, T.R, Heck, R.J

“…Non-destructive soil constituent analysis has advanced from resin impregnation of intact samples to the utilization of non-destructive imaging devices (i.e.,…”
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Comparing time-resolved infrared thermography and X-ray computed tomography in distinguishing soil surface crusts by Soliman, Aiman S., Abdel Rahman, Mohamed E., Heck, Richard J.

“…Surface crusts represent a major limitation for reclamation projects in arid regions. With the advancements in spatial and radiometric resolution, infrared…”
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Characterization of soil drainage using electromagnetic induction measurement of soil magnetic susceptibility by Shirzaditabar, Farzad, Heck, Richard J.

“…•Electromagnetic induction methods were used to characterize soil drainage classes.•Inversion method was applied on apparent MS data measured by EM38.•Soil MS,…”
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Porosity analysis of two Acrisols by X-ray computed microtomography by Dowuona, Gabriel N.N, Taina, Ioana A, Heck, Richard J

“…Porosity and void characteristics of two major Acrisols (Ferric Acrisol and a Ferri-Plinthic Acrisol) with contrasting pedogenic features from the humid forest…”
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Soil structure changes induced by tillage systems by Pires, Luiz F., Borges, Jaqueline A.R., Rosa, Jadir A., Cooper, Miguel, Heck, Richard J., Passoni, Sabrina, Roque, Waldir L.

“…•2D and 3D analyses allowed the soil pore system characterization.•Tri-modal pore size distributions were found for soil under CT and NT.•For CT, the greatest…”
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