Search Results - "Perry, C.H."

An indicator of tree migration in forests of the eastern United States by Woodall, C.W., Oswalt, C.M., Westfall, J.A., Perry, C.H., Nelson, M.D., Finley, A.O.

“…Changes in tree species distributions are a potential impact of climate change on forest ecosystems. The examination of tree species shifts in forests of the…”
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An accuracy assessment of forest disturbance mapping in the western Great Lakes by Zimmerman, P.L., Housman, I.W., Perry, C.H., Chastain, R.A., Webb, J.B., Finco, M.V.

“…The increasing availability of satellite imagery has spurred the production of thematic land cover maps based on satellite data. These maps are more valuable…”
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Forest change in the Driftless Area of the Midwest: From a preferred to undesirable future by Knoot, T.G., Shea, M.E., Schulte, L.A., Tyndall, J.C., Nelson, M.D., Perry, C.H., Palik, B.J.

“…•We evaluated regional changes in forest composition since Euro-American settlement.•We identified a decrease in oak dominance, and particularly white oak…”
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Comparing evaluations of forest health based on aerial surveys and field inventories: Oak forests in the Northern United States by Woodall, C.W., Morin, R.S., Steinman, J.R., Perry, C.H.

“…Aerial sketch-map surveys and systematic forest field inventories may be used separately or in combination to indicate the status of regional forest health…”
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Statistics of substorm occurence in storm and non-storm periods by Grande, M., Perry, C.H., Hall, A., Fennell, J., Wilken, B.

“…We have investigated similarities and differences between substorms occurring in stormtime and those in less disturbed periods, using data from the MICS…”
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Selecting tree species for testing climate change migration hypotheses using forest inventory data by Woodall, C.W., Oswalt, C.M., Westfall, J.A., Perry, C.H., Nelson, M.D., Finley, A.O.

“…The lack of objective tree species lists hinders the assessment of climate change effects on tree species distributions. The goal of this study was to develop…”
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The relative density of forests in the United States by Woodall, Christopher W., Perry, Charles H., Miles, Patrick D.

“…A relative stand density assessment technique, using the mean specific gravity of all trees in a stand to predict its maximum stand density index (SDI) and…”
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Impacts of forest ecosystem management on greenhouse gas budgets by Lindner, M., Green, Tim, Woodall, C.W., Perry, C.H., Nabuurs, G.-J., Sanz, M.J.

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The D-CIXS X-ray spectrometer on the SMART-1 mission to the Moon—First results by Grande, M., Kellett, B.J., Howe, C., Perry, C.H., Swinyard, B., Dunkin, S., Huovelin, J., Alha, L., D’Uston, L.C., Maurice, S., Gasnault, O., Couturier-Doux, S., Barabash, S., Joy, K.H., Crawford, I.A., Lawrence, D., Fernandes, V., Casanova, I., Wieczorek, M., Thomas, N., Mall, U., Foing, B., Hughes, D., Alleyne, H., Russell, S., Grady, M., Lundin, R., Baker, D., Murray, C.D., Guest, J., Christou, A.

“…The SMART-1 mission has recently arrived at the Moon. Its payload includes D-CIXS, a compact X-ray spectrometer. SMART-1 is a technology evaluation mission,…”
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The D-CIXS X-ray mapping spectrometer on SMART-1 by Grande, M, Browning, R, Waltham, N, Parker, D, Dunkin, S.K, Kent, B, Kellett, B, Perry, C.H, Swinyard, B, Perry, A, Feraday, J, Howe, C, McBride, G, Phillips, K, Huovelin, J, Muhli, P, Hakala, P.J, Vilhu, O, Laukkanen, J, Thomas, N, Hughes, D, Alleyne, H, Grady, M, Lundin, R, Barabash, S, Baker, D, Clark, P.E, Murray, C.D, Guest, J, Casanova, I, d'Uston, L.C, Maurice, S, Foing, B, Heather, D.J, Fernandes, V, Muinonen, K, Russell, S.S, Christou, A, Owen, C, Charles, P, Koskinen, H, Kato, M, Sipila, K, Nenonen, S, Holmstrom, M, Bhandari, N, Elphic, R, Lawrence, D

“…The D-CIXS Compact X-ray Spectrometer will provide high quality spectroscopic mapping of the Moon, the primary science target of the ESA SMART-1 mission…”
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Surface compaction estimates and soil sensitivity in aspen stands of the Great Lakes States by Steber, A, Brooks, K, Perry, C.H, Kolka, R

“…Abstract Aspen forests in the Great Lakes States support much of the regional timber industry. Management-induced soil compaction is a concern because it…”
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Energetic electron signatures in an active magnetotail plasma sheet by Davies, J.A., Dunlop, M.W., Perry, C.H., Lockwood, M., Alexeev, I., Taylor, M.G.G.T., Fazakerley, A.N., Owen, C.J., Marchaudon, A., Friedel, R.H.W., Deng, X.H., Grande, M., Daly, P.W.

“…Particles with energies of tens to hundreds of keV provide a powerful diagnostic of the acceleration processes that characterise the Earth’s magnetosphere, in…”
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Scientific rationale for the D-CIXS X-ray spectrometer on board ESA's SMART-1 mission to the Moon by Dunkin, S.K, Grande, M, Casanova, I, Fernandes, V, Heather, D.J, Kellett, B, Muinonen, K, Russell, S.S, Browning, R, Waltham, N, Parker, D, Kent, B, Perry, C.H, Swinyard, B, Perry, A, Feraday, J, Howe, C, Phillips, K, McBride, G, Huovelin, J, Muhli, P, Hakala, P.J, Vilhu, O, Thomas, N, Hughes, D, Alleyne, H, Grady, M, Lundin, R, Barabash, S, Baker, D, Clark, P.E, Murray, C.D, Guest, J, d'Uston, L.C, Maurice, S, Foing, B, Christou, A, Owen, C, Charles, P, Laukkanen, J, Koskinen, H, Kato, M, Sipila, K, Nenonen, S, Holmstrom, M, Bhandari, N, Elphic, R, Lawrence, D

“…The D-CIXS X-ray spectrometer on ESA's SMART-1 mission will provide the first global coverage of the lunar surface in X-rays, providing absolute measurements…”
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Energetic electron observations of magnetospheric boundaries using the imaging electron spectrometers on Cluster and Polar by Davies, J.A., Grande, M., Perry, C.H., Dunlop, M.W., Carter, M.K., Blake, J.B., Fennell, J.F., Daly, P.W., Friedel, R.H.W., Fritz, T.A.

“…Electrons with energies of several tens to several hundreds of keV provide a powerful diagnostic for the acceleration processes associated with magnetospheric…”
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The D-CIXS X-ray spectrometer, and its capabilities for lunar science by Grande, M, Dunkin, S, Heather, D, Kellett, B, Perry, C.H, Browning, R, Waltham, N, Parker, D, Kent, B, Swinyard, B, Fereday, J, Howe, C, Huovelin, J, Muhli, P, Hakala, P.J, Vilhu, O, Thomas, N, Hughes, D, Alleyne, H, Grady, M, Russell, S, Lundin, R, Barabash, S, Baker, D, Clark, P.E, Murray, C.D, Christou, A, Guest, J, Casanova, I, d'Uston, L.C, Maurice, S, Foing, B, Kato, M

“…The purpose of the D-CIXS (Demonstration of a Compact Imaging X-ray Spectrometer) instrument on the ESA SMART-1 mission is to provide high quality…”
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First results — Lunar X-ray mapping spectrometer on smart-1 by Grande, Manuel, Kellett, B., Howe, C., Perry, C.H., Swinyard, B., Dunkin, S., Huovenin, J., Thomas, N., Mall, U., Hughes, D., Alleyne, H., Russell, S., Grady, M., Lundin, R., Barabash, S., Baker, D., Murray, C.D., Guest, J.E., Crawford, I., Casanova, I., Maurice, S., Gasnault, O., Foing, B., Lawrence, D., Fernandez, V.

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Photoluminescence detected enhancement of the electron–hole exchange interaction in a quantum well by Munteanu, F.M., Kim, Y., Perry, C.H., Rickel, D.G., Simmons, J.A., Reno, J.L.

“…We report the results of polarized magneto-photoluminescence (MPL) measurements on a high mobility modulation-doped GaAs/AlGaAs single quantum well. The…”
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Survey of ring current composition during magnetic storms by Grande, M, Perry, C.H, Hall, A, Fennell, J, Wilken, B

“…During geomagnetic storms, the ring current is substantially modified and intensified. We use data from the MICS instrument on CRRES to investigate composition…”
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Photoluminescence detected doublet structure in the integer and fractional quantum Hall regime by Munteanu, F.M., Kim, Yongmin, Perry, C.H., Rickel, D.G., Simmons, J.A., Reno, J.L.

“…The results of polarized magneto-photoluminescence measurements on a high mobility modulation-doped GaAs/AlGaAs single-heterojunction are presented. A well…”
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Characterization of power quality events by Collins, E.R., Perry, C.H.

“…IEEE 1159 describes and defines power quality disturbances. These classifications are widely used in electric power quality monitors. Equipment connected to…”
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