6,747 research outputs found

    Watershed Land Use Allocation: Potential Mechanisms for Addressing Societal Concerns

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    This paper summarizes a sampling of planning tools to provide ideas on how multiple objectives for watershed management may be tackled. It also explores the mechanisms for allocation with due emphasis on avenues for resolving conflicts. Future directions for subsequent work are suggested.land use planning, land management, watershed

    Economics of Upland Resource Depletion: Shifting Cultivation in the Philippines

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    This paper provides a systematic investigation of agricultural systems practiced in the uplands by starting with a formal treatment of the shifting cultivation problem. The optimum rate of use of forested land from society’s viewpoint and from the individual uplander’s viewpoint, given traditional choices between timber production and agricultural production through slash-and-burn farming is likewise investigated. The study explains swidden farming in the context of a standard resource economic model on open access exploitation, the discounting bias and zero valuation of the externalities involved.natural resources and environment, environmental issues, environmental management, resource management, uplands

    Watershed Land Use Allocation: Potential Mechanisms for Addressing Societal Concerns

    Get PDF
    This paper summarizes a sampling of planning tools to provide ideas on how multiple objectives for watershed management may be tackled. It also explores the mechanisms for allocation with due emphasis on avenues for resolving conflicts. Future directions for subsequent work are suggested.land use planning, land management, watershed

    Forest and Upland Resources Management: A Policy Framework

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    This article is prepared for the Upland Policy Conference on March 14, 1988. It discusses several concerns in forestry and upland resources management focusing on the issues of logging, forest destruction and the continuous conversion of forestlands into land uses that are generally prone to soil erosion.forestry sector, land management

    Intelligent fuzzy controller for event-driven real time systems

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    Most of the known linguistic models are essentially static, that is, time is not a parameter in describing the behavior of the object's model. In this paper we show a model for synchronous finite state machines based on fuzzy logic. Such finite state machines can be used to build both event-driven, time-varying, rule-based systems and the control unit section of a fuzzy logic computer. The architecture of a pipelined intelligent fuzzy controller is presented, and the linguistic model is represented by an overall fuzzy relation stored in a single rule memory. A VLSI integrated circuit implementation of the fuzzy controller is suggested. At a clock rate of 30 MHz, the controller can perform 3 MFLIPS on multi-dimensional fuzzy data

    Prompt Photon and Inclusive π0\pi^0 Production at RHIC and LHC

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    We present results for prompt photon and inclusive π0\pi^0 production in p-p and A-A collisions at RHIC and LHC energies. We include the full next-to-leading order radiative corrections and nuclear effects, such as nuclear shadowing and parton energy loss. We find the next-to-leading order corrections to be large and pTp_T dependent. We show how measurements of π0\pi^0 production at RHIC and LHC, at large pTp_T, can provide valuable information about the nature of parton energy loss. We calculate the ratio of prompt photons to neutral pions and show that at RHIC energies this ratio increases with pTp_T approaching one at pT10p_T \sim 10 GeV, due to the large suppression of π0\pi^0 production. We show that at the LHC, this ratio has steep pTp_T dependence and approaches 10% effect at pT20p_T \sim 20 GeV.Comment: Talk presented by I. Sarcevic, to appear in the Proceedings of Quark Matter 2002; 4 pages including 4 color figure

    Forest and Land-Use Practices in Philippine Uplands: National Level Analysis Based on Eight Villages

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    The study identifies the rural poor and measures their needs and capabilities. It focuses on the tree product from forests and upland cultivation systems and analyzes the forest and land use practices of the upland poor through the development of a common database. It also examines the influence of household-specific characteristics, development intervention mechanisms, institutional and local use conditions on specific tree and forest-use practices.land use planning, natural resources and environment, forestry sector, land management, uplands

    From RHIC to EIC: Nuclear Structure Functions

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    We study the nuclear structure function F2AF_2^A and its logarithmic derivative in the high energy limit (small xx region) using the Color Glass Condensate formalism. In this limit the structure function F2F_2 depends on the quark anti-quark dipole-target scattering cross section NF(xbj,rt,bt)N_F (x_{bj}, r_t, b_t). The same dipole cross section appears in single hadron and hadron-photon production cross sections in the forward rapidity region in deuteron (proton)-nucleus collisions at high energy, i.e. at RHIC and LHC. We use a parameterization of the dipole cross section, which has successfully been used to describe the deuteron-gold data at RHIC, to compute the nuclear structure function F2AF_2^A and its log Q2Q^2 derivative (which is related to gluon distribution function in the double log limit). We provide a quantitative estimate of the nuclear shadowing of F2AF_2^A and the gluon distribution function in the kinematic region relevant to a future Electron-Ion Collider.Comment: 13 pages, 6 figure
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