GB/T 29404-2012 English PDF

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GB/T 29404-2012: Guide to draw up irrigation water quota
Status: Valid

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GB/T 29404-2012	419	Add to Cart	3 days	Guide to draw up irrigation water quota	Valid

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Basic data

Standard ID: GB/T 29404-2012 (GB/T29404-2012)
Description (Translated English): Guide to draw up irrigation water quota
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: P40
Classification of International Standard: 13.060.25
Word Count Estimation: 18,110
Regulation (derived from): National Standards Bulletin 2012 No. 42
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard provides irrigation water preparation processes, preparation methods and results report preparation. This standard applies to instruct the provinces (autonomous regions and municipalities) the preparation of irrigation water quota, agency an

GB/T 29404-2012: Guide to draw up irrigation water quota

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Guide to draw up irrigation water quota ICS 13.060.25 P40 National Standards of People's Republic of China Irrigation Water Quota Guidelines Issued on. 2012-12-31 2013-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 Terminology 1 2 3 1 General Provisions 4 preparation process 2 Organizational requirements 2 4.1 4.2 preparation Workflow 2 4.3 Approval and Amendment 2 Basic provisions 2 5 6 Division and crops 3 6.1 Partition 3 6.2 3 major crops 7 data collection, analysis and checking 3 7.1 Data Collection 3 7.2 Data Analysis 4 7.3 Data check 5 8 irrigation water quota determined 5 8.1 irrigation water quota calculation 5 8.2 The basic water quota, additional water quota, multiplier 5 8.3 Integrated Crop irrigation water ration of 6 8.4 Irrigation Water Quota predetermined position above the canal water use coefficient 6 8.5 irrigation water supply and demand balance analysis 6 9 results report 7 Appendix A (informative) crop water requirement calculation methods 9 Annex B (informative) Calculation of net irrigation quota 10 Numerical Annex C (informative) basic water quotas and adjustment coefficients fitting formula 12 Advanced processing method Appendix D (informative) basic water quotas and adjustment coefficient 14

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the Ministry of Water Resources. This standard was drafted. Drainage and Rural Water Division, China Irrigation and Drainage Development Center, China Institute of Water Resources and Hydropower, Water Resources Agriculture Irrigation Institute of Hydraulic Research Institute of Shandong Province, Yuyao, Zhejiang Water Conservancy Bureau, Heilongjiang Institute of Water Resources. The main drafters of this standard. Zhao Jing Cheng, Wang Xiaoling, Wu Yuqin, Liu Yu, Li Ying energy, Liu Jianqiang, Woodland Yongqing, Zhang Yuxin, Longhai travel, Tie-nan. Irrigation Water Quota Guidelines

1 Scope

This standard specifies the preparation of irrigation water ration of processes, methods and results of the preparation of the report. This standard applies to the guidance of the provinces (autonomous regions and municipalities) preparation of irrigation water quota, the preparation of the provincial irrigation water quota subnational bodies when You can refer.

2 Terms

The following terms and definitions apply to this document. 2.1 Irrigation Water Quota irrigationwaterquota At a predetermined position and a predetermined water year type approved under a particular crop in a growth period, irrigation water per unit area. Note 1. The irrigation water quota is neither a predetermined position in the field, not necessarily for Irrigation District, but in order to position measurement and irrigation water management for implementation Predetermined position. Note 2. The irrigation water quota is the main water resource allocation and control of irrigation water management indicators, its meaning is different from the design of irrigation uses "net irrigation set . Amount "and" gross irrigation quota "on the one hand irrigation water quota should users and managers of water for irrigation, and easy to measure; on the other hand irrigation Water quota need not only to some extent to meet crop water requirements and irrigation water must be considered to achieve a balance between supply and demand, we need at a predetermined hydrology Preparation of the next model year. 2.2 Basic water quota referencequotaofirrigationwater In reference to a crop irrigation irrigation water per unit area. Referring to irrigation should be defined as. soil type Irrigation Project Surface irrigation drainage water, artesian water intake way, for small-scale irrigation area, no additional water. Around can also be reasonably determined based on the actual situation Given with reference to irrigation, but within the province (autonomous regions and municipalities) range should be uniform. 2.3 Additional water quota additionalquotaofirrigationwater To meet the irrigation water requirement of crop growth period other than the increase in water consumption per unit area. Additional water including former soil for sowing Storage, leaching the salt water soak paddy fields such as water; determining additional water quota should be determined with reference to the same basic water quota Irrigation. 2.4 Multiplier adjustmentcoefficient Under reference Irrigation Irrigation Water Quota degree of influence coefficients reflect the type of project, the way water, irrigation district scale. 2.5 Crop irrigation Comprehensive Norm comprehensivequotaofirrigationusedwater A crop irrigation in a region under various actual irrigation (project type, water way, the size of irrigated area, additional water, etc.) with Water quota weighted average of irrigated area.

3 General

3.1 Irrigation Water Quota work should be to promote the efficient use of irrigation water, the "total control, quota management" as the basic goal. ......

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