Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 22
Book Description
BOREAS TGB-12 Isotropic Carbon Dioxide Data Over the NSA
Author: Boreas Tgb-12 Soil Carbon Data Over the Nsa
Author: National Aeronautics and Space Adm NasaPublisher: Independently Published
ISBN: 9781720290957
Category : Science
Languages : en
Pages : 32
Book Description
The BOREAS TGB-12 team made measurements of soil carbon inventories, carbon concentration in soil gases, and rates of soil respiration at several sites to estimate the rates of carbon accumulation and turnover in each of the major vegetation types. TGB-12 data sets include soil properties at tower and selected auxiliary sites in the BOREAS NSA and data on the seasonal variations in the radiocarbon content of CO2 in the soil atmosphere at NSA tower sites. The sampling strategies for soils were designed to take advantage of local fire chronosequences, so that the accumulation of C in areas of moss regrowth could be determined. These data are used to calculate the inventory of C and N in moss and mineral soil layers at NSA sites and to determine the rates of input and turnover (using both accumulation since the last stand-killing fire and radiocarbon data). This data set includes physical parameters needed to determine carbon and nitrogen inventory in soils. The data were collected discontinuously from August 1993 to July 1996. The data are stored in tabular ASCII files.Trumbore, Susan and Hall, Forrest G. (Editor) and Conrad, Sara K. (Editor) and Harden, Jennifer and Sundquist, Eric and Winston, GregGoddard Space Flight CenterCARBON DIOXIDE; ANNUAL VARIATIONS; VEGETATION; INVENTORIES; SOILS; TOWERS; SOIL SCIENCE; SAMPLING; RESPIRATION; NITROGEN; MINERALS; FIRES; CHRONOLOGY
Computer Image Generation
Author: Bruce J. SchachterPublisher:
ISBN:
Category : Computers
Languages : en
Pages : 268
Book Description
Provides detailed descriptions of the algorithms and architectures used in major computer image generation devices. Examines anti-aliasing, data-base design, and the generation of special effects. Critically reviews several VLSIC architectures for image generation. Describes current and possible future applications of this technology, including visual flight simulation for pilot training.
Boreas Tgb-5 Co2, Ch4 and Co Chamber Flux Data Over the Nsa
Author: National Aeronautics and Space Administration (NASA)Publisher: Createspace Independent Publishing Platform
ISBN: 9781721250745
Category :
Languages : en
Pages : 24
Book Description
The BOReal Ecosystem-Atmosphere Study Trace Gas Biogeochemistry (BOREAS TGB-5) team collected a variety of trace gas concentration and flux measurements at several NSA sites. This data set contains carbon dioxide (CO2), methane (CH4), and carbon monoxide (CO) chamber flux measurements conducted in 1994 at upland forest sites that experienced stand-replacement fires. These measurements were acquired to understand the impact of fires on soil biogeochemistry and related changes in trace gas exchange in boreal forest soils. Relevant ancillary data, including data concerning the soil temperature, solar irradiance, and information from nearby un-burned control sites, are included to provide a basis for modeling the regional impacts of fire and climate changes on trace gas biogeochemistry. The data are provided in tabular ASCII files. Burke, Roger and Hall, Forrest G. (Editor) and Conrad, Sara K. (Editor) and Zepp, Richard Goddard Space Flight Center NASA/TM-2000-209891/VOL229, Rept-2000-03136-0/VOL229, NAS 1.15:209891/VOL229
Yvain
Author: Chretien de TroyesPublisher: Yale University Press
ISBN: 0300187580
Category : Poetry
Languages : en
Pages : 242
Book Description
The twelfth-century French poet Chrétien de Troyes is a major figure in European literature. His courtly romances fathered the Arthurian tradition and influenced countless other poets in England as well as on the continent. Yet because of the difficulty of capturing his swift-moving style in translation, English-speaking audiences are largely unfamiliar with the pleasures of reading his poems. Now, for the first time, an experienced translator of medieval verse who is himself a poet provides a translation of Chrétien’s major poem, Yvain, in verse that fully and satisfyingly captures the movement, the sense, and the spirit of the Old French original. Yvain is a courtly romance with a moral tenor; it is ironic and sometimes bawdy; the poetry is crisp and vivid. In addition, the psychological and the socio-historical perceptions of the poem are of profound literary and historical importance, for it evokes the emotions and the values of a flourishing, vibrant medieval past.
Boreas Tgb-12 Soil Carbon and Flux Data of Nsa-MSA in Raster Format
Author: National Aeronautics and Space Adm NasaPublisher: Independently Published
ISBN: 9781720290865
Category : Science
Languages : en
Pages : 38
Book Description
The BOREAS TGB-12 team made measurements of soil carbon inventories, carbon concentration in soil gases, and rates of soil respiration at several sites. This data set provides: (1) estimates of soil carbon stocks by horizon based on soil survey data and analyses of data from individual soil profiles; (2) estimates of soil carbon fluxes based on stocks, fire history, drain-age, and soil carbon inputs and decomposition constants based on field work using radiocarbon analyses; (3) fire history data estimating age ranges of time since last fire; and (4) a raster image and an associated soils table file from which area-weighted maps of soil carbon and fluxes and fire history may be generated. This data set was created from raster files, soil polygon data files, and detailed lab analysis of soils data that were received from Dr. Hugo Veldhuis, who did the original mapping in the field during 1994. Also used were soils data from Susan Trumbore and Jennifer Harden (BOREAS TGB-12). The binary raster file covers a 733-km 2 area within the NSA-MSA.Hall, Forrest G. (Editor) and Knapp, David E. (Editor) and Rapalee, Gloria and Davidson, Eric and Harden, Jennifer W. and Trumbore, Susan E. and Veldhuis, HugoGoddard Space Flight CenterDATA PROCESSING; DATA REDUCTION; SOIL MAPPING; CARBON 14; ESTIMATES; SURVEYS; SOILS; RESPIRATION; POLYGONS; INVENTORIES; HORIZON; FIRES; ESTIMATING; DRAINAGE; DECOMPOSITION
Boreas Tgb-1/Tgb-3 Nee Data Over the Nsa Fen
Author: National Aeronautics and Space Administration (NASA)Publisher: Createspace Independent Publishing Platform
ISBN: 9781721250943
Category :
Languages : en
Pages : 24
Book Description
The BOReal Ecosystem-Atmosphere Study Trace Gas Biogeochemistry (BOREAS TGB-1) and TGB-3 teams collected several data sets that contributed to understanding the measured trace gas fluxes over sites in the Northern Study Area (NSA). This data set contains Net Ecosystem Exchange of CO2 (NEE) measurements collected with chambers at the NSA fen in 1994 and 1996. Gas samples were extracted approximately every 7 days from chambers and analyzed at the NSA lab facility. The data are provided in tabular ASCII files. Bellisario, Lianne and Hall, Forrest G. (Editor) and Conrad, Sara K. (Editor) and Moore, Tim R. Goddard Space Flight Center NASA/TM-2000-209891/VOL225, Rept-2000-03136-0/VOL225, NAS 1.15:209891/VOL225
Charles Pettigrew, First Bishop-elect of the North Carolina Episcopal Church
Author: Bennett H WallPublisher: Hassell Street Press
ISBN: 9781015031500
Category :
Languages : en
Pages : 32
Book Description
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Boreas Tgb-4 Nsa-Bvp Tower Flux and Meteorological Data
Author: National Aeronautics and Space Adm NasaPublisher:
ISBN: 9781724038319
Category :
Languages : en
Pages : 26
Book Description
The BOReal Ecosystem-Atmosphere Study Trace Gas Biogeochemistry (BOREAS TGB-4) team measured the exchange of heat, water, and CO2 between a boreal forest beaver pond and the atmosphere in the Northern Study Area (NSA) for the ice-free period of BOREAS. The data cover the period of 28-May to 18-Sep-1994. The data are available in tabular ASCII files. Roulet, Nigel T. and Hall, Forrest G. (Editor) and Huemmrich, Karl (Editor) and Conrad, Sara K. (Editor) Goddard Space Flight Center NASA/TM-2000-209891/VOL227, Rept-2000-03136-0/VOL227, NAS 1.15:209891/VOL227...
Boreas Tgb-10 Volatile Organic Carbon Data Over the Ssa
Author: National Aeronautics and Space Administration (NASA)Publisher: Createspace Independent Publishing Platform
ISBN: 9781721252404
Category :
Languages : en
Pages : 26
Book Description
The BOREAS TGB-10 team collected several trace gas data sets in its efforts to determine the role of biogenic hydrocarbon emissions with respect to boreal forest carbon cycles. This data set contains measured VOC concentrations. These data were obtained at the SSA-OJP site from May to September 1994. The data are stored in tabular ASCII files. Westberg, Hal and Hall, Forrest G. (Editor) and Conrad, Sara K. (Editor) and Hall, Brad and Jackson, Andrea V. Goddard Space Flight Center NASA/TM-2000-209891/VOL243, Rept-2000-03136-0/VOL243, NAS 1.15:209891/VOL243