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User's Manual for the New England Water-Use Data System ‫(Newuds): Open-File Report 2001-328 by Marilee A. Horn, United U. S. Department of the Interior - Paperback
64.05 درهم

User's Manual for the New England Water-Use Data System ‫(Newuds): Open-File Report 2001-328 by Marilee A. Horn, United U. S. Department of the Interior - Paperback

كن أول من يقيِّم هذا المنتج 

64.05 درهم 

  - ستوفر -64.05 درهم
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رقم ال ISBN
9781288719570
الفئات
سياسة
الكاتب
Marilee A. Horn, United U. S. Department of the Interior
الناشر
Bibliogov
الوصف:

Water is used in a variety of ways that need to be understood for effective management of water resources. Water-use activities need to be categorized and included in a database management system to understand current water uses and to provide information to water-resource management policy decisionmakers. The New England Water-Use Data System (NEWUDS) is a complex database developed to ...

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اشحن الى دبي (تغيير المدينة)
التوصيل خلال الثلاثاء ١٠ يوليو - الخميس ١٢ يوليو الي دبي

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البائع:
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معلومات المنتج

  •  

    المواصفات

    رقم ال ISBN
    9781288719570
    الفئات
    سياسة
    الرقم المميز للسلعة
    2724354460997
    المؤلفين
    الكاتب
    Marilee A. Horn, United U. S. Department of the Interior
    المؤلفين
    الناشر
    Bibliogov
    رقم ال ISBN
    9781288719570
    الفئات
    سياسة
    الرقم المميز للسلعة
    2724354460997
    المؤلفين
    الكاتب
    Marilee A. Horn, United U. S. Department of the Interior
    المؤلفين
    الناشر
    Bibliogov
    معلومات تقنية
    غلاف الكتاب
    غلاف عادي
    اللغات والبلدان
    لغة الكتاب
    الانجليزية
    إقرأ المزيد
  •  

    الوصف:

    Water is used in a variety of ways that need to be understood for effective management of water resources. Water-use activities need to be categorized and included in a database management system to understand current water uses and to provide information to water-resource management policy

    Water is used in a variety of ways that need to be understood for effective management of water resources. Water-use activities need to be categorized and included in a database management system to understand current water uses and to provide information to water-resource management policy decisionmakers. The New England Water-Use Data System (NEWUDS) is a complex database developed to store water-use information that allows water to be tracked from a point of water-use activity (called a 'Site'), such as withdrawal from a resource (reservoir or aquifer), to a second Site, such as distribution to a user (business or irrigator). NEWUDS conceptual model consists of 10 core entities: system, owner, address, location, site, data source, resource, conveyance, transaction/rate, and alias, with tables available to store user-defined details. Three components--site (with both a From Site and a To Site), a conveyance that connects them, and a transaction/rate associated with the movement of water over a specific time interval form the core of the basic NEWUDS network model. The most important step in correctly translating real-world water-use activities into a storable format in NEWUDS depends on choosing the appropriate sites and linking them correctly in a network to model the flow of water from the initial From Site to the final To Site. Ten water-use networks representing real-world activities are described--three withdrawal networks, three return networks, two user networks, two complex community-system networks. Ten case studies of water use, one for each network, also are included in this manual to illustrate how to compile, store, and retrieve the appropriate data. The sequence of data entry into tables is critical because there are many foreign keys. The recommended core entity sequence is (1) system, (2) owner, (3) address, (4) location, (5) site, (6) data source, (7) resource, (8) conveyance, (9) transaction, and (10) rate; with (11) alias and (12) user-defined.

    خصائص المنتج:
    • الفئات: سياسة
    • غلاف الكتاب: غلاف عادي
    • لغة الكتاب: الانجليزية
    • الكاتب: Marilee A. Horn, United U. S. Department of the Interior
    • الناشر: Bibliogov
    • رقم ال ISBN: 9781288719570
    • عدد الصفحات: 50
    • لأبعاد (الارتفاع*العرض*العمق): 9.69 x 7.44 x 0.1 inches
 

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