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Taylor & Francis Online contains many publications related to land issues, though mostly at the charge of a fee.
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Displaying 491 - 495 of 661Mapping and monitoring riparian vegetation distribution, structure and composition with regression tree models and post-classification change metrics
Riparian systems have become increasingly susceptible to both natural and human disturbances as cumulative pressures from changing land use and climate alter the hydrological regimes. This article introduces a landscape dynamics monitoring protocol that incorporates riparian structural classes into the land-cover classification scheme and examines riparian change within the context of surrounding land-cover change.
Multi-temporal land-cover classification and change analysis with conditional probability networks: the case of Lesvos Island (Greece)
This study uses a series of Landsat images to map the main land-cover types on the Mediterranean island of Lesvos, Greece. We compare a single-year maximum likelihood classification (MLC) with a multi-temporal maximum likelihood classification (MTMLC) approach, with time-series class labels modelled using a first-order hidden Markov model comprising continuous and discrete variables. A rigorous validation scheme shows statistically significant higher accuracy figures for the multi-temporal approach.
Validation of the collection 5 MODIS FPAR product in a heterogeneous agricultural landscape in arid Uzbekistan using multitemporal RapidEye imagery
The fraction of photosynthetically active radiation (FPAR) absorbed by a vegetation canopy is an important variable for global vegetation modelling and is operationally available from data of the Terra Moderate Resolution Imaging Spectroradiometer (MODIS) satellite sensor starting from the year 2000. Product validation is ongoing and important for constant product improvement, but few studies have investigated the specific accuracy of MODIS FPAR using in situ measurements and none have focused on agricultural areas.
Policy Diffusion and Innovation: Media and Experts in Colorado Recreational Water Rights
Beginning in 1998, an innovation in water rights policy took place in Colorado. This paper analyses the diffusion of the recreational in-channel water right policy innovation among Colorado communities. This research involved in-depth case studies in 12 Colorado communities. Data include interviews, legal and legislative documents, and mass media coverage. These new water rights spread among Colorado communities through two processes. First, experts acted as information entrepreneurs providing both technical and policy information to other communities.
Object-oriented classification of land use/cover using digital aerial orthophotography
In automatic/semiautomatic mapping of land use/cover using very high resolution remote-sensing imagery, the major challenge is that a single class of land use contains ground targets with varied spectral values, textures, geometries and spatial features. Here we present an object-oriented strategy for automatic/semiautomatic classifications of land use/cover using very high resolution remote-sensing data. The strategy consists of character detecting, object positioning and coarse classification, then refining the classification result step by step.