REMOTE SENSING OF VINEYARD MANAGEMENT ZONES: IMPLICATIONS FOR WINE QUALITY
作者： L. F. Johnson , D. F. Bosch , D. C. Williams , B. M. Lobitz
DOI: 10.13031/2013.6454
关键词:
摘要: High-spatial resolution multispectral imagery was acquired at mid-season 1997 by an airborne digital camera system and used to establish management zones within a 3-ha commercial wine vineyard in California's Napa Valley. Image processing included off-axis brightness correction, band-to-band alignment, ground registration conversion Vegetation Index enhance sensitivity canopy density. The image then stratified color-coded for visual discrimination. An output generated TIFF-World format input mapping software on the grower's laptop computer. delineate low-, moderate-, high-vigor study block. Supporting field measurements per zone structure (woody biomass, transmittance), vine physiology (leaf water potential, chlorophyll content), fruit biochemistry. Grapes from each were fermented separately resulting wines formally evaluated difference quality. low- clearly distinct one another with respect most measurements. Block subdivision enabled production of areserve" (highest) quality first time ever this particular
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