黑河流域盈科-大满土壤观测及玉米采样点叶面积指数和地上部生物量（2012）

黑河流域盈科-大满试验数据受黑河计划重点基金项目“黑河流域农业节水的生态水文效应及多尺度用水效率评估”支持。包括：土壤容重、土壤含水量、土壤质地、玉米样点生物量、断面流量等
数据描述：
1、叶面积指数和地上生物量取样位置：盈科灌区；玉米的LAI及第上部分生物量每15天取样一次；取样时间：2012.5-2012.9；测量方法：LAI采用冠层分析仪（LP-80）测量，地上部分生物量采用取样烘干法测量；样点数量：16个。
2、土壤质地：取样位置：盈科灌区及盈科灌区石桥五斗二农渠农田；土壤采样深度140 cm，取样层次分别为0-20 cm每10 cm取一样，20-80 cm 每20 cm取一样， 80-140 cm 每30 cm取一样；取样时间：2012年；测量方法：实验室激光粒度分析仪；样点数量：38个。
3、土壤容重：取样位置：盈科灌区和大满灌区；土壤容重取样深度100 cm，取样层次分别为0-50 cm取一样，50-100 cm取一样；取样时间：2012年；测量方法：环刀法；样点数量：34个。
4、土壤含水率：本数据为盈科灌区水文要素监测内容的一部分，具体取样位置：盈科灌区石桥五斗二农渠农田，种植作物为制种玉米；土壤含水率取样深度140 cm，取样层次分别为0-20 cm每10 cm取一样，20-80 cm 每20 cm取一样， 80-140 cm 每30 cm取一样；周期为每7天监测一次；取样时间：2012.5-2012.9；测量方法：取土烘干法及TDR测量；样点数量：17个。
5、断面流量：取样位置：盈科灌区石桥五斗二农渠农田；测量农田各次灌水时不同渠系断面处水流流速、水位、水温，并记录时间及计算流量，监测每3小时一次，直至灌水结束；；取样时间：2012.5-2012.9；测量方法：多普勒超声流量流速仪（HOH-L-01, China）；测量次数：盈科四次灌水数据。

The Yingke-Daman experimental data in the Heihe River Basin is supported by the Key Foundation Project of Heihe Plan titled "Eco-hydrological Effects of Agricultural Water Conservation and Multi-scale Water Use Efficiency Assessment in the Heihe River Basin". The dataset includes soil bulk density, soil moisture content, soil texture, maize sample biomass, channel section flow, etc.

Data description:
1. Sampling locations for leaf area index (LAI) and aboveground biomass: Yingke Irrigation District. For maize, LAI and aboveground biomass are sampled every 15 days; sampling period: May 2012 to September 2012; measurement methods: LAI is measured using a canopy analyzer (LP-80), and aboveground biomass is measured via the sampling drying method; number of sampling sites: 16.
2. Soil texture: Sampling locations: Yingke Irrigation District and farmlands along the Shiqiao Wudou'er Agricultural Canal in Yingke Irrigation District. Soil sampling depth is 140 cm, with sampling layers: 0-20 cm sampled every 10 cm, 20-80 cm sampled every 20 cm, and 80-140 cm sampled every 30 cm; sampling year: 2012; measurement method: laboratory laser particle size analyzer; number of sampling sites: 38.
3. Soil bulk density: Sampling locations: Yingke Irrigation District and Daman Irrigation District. Soil bulk density sampling depth is 100 cm, with sampling layers: 0-50 cm and 50-100 cm; sampling year: 2012; measurement method: cutting ring method; number of sampling sites: 34.
4. Soil moisture content: This dataset is part of the hydrological element monitoring in Yingke Irrigation District. Specific sampling locations: farmlands along the Shiqiao Wudou'er Agricultural Canal in Yingke Irrigation District, where seed maize is planted. Soil moisture content sampling depth is 140 cm, with sampling layers: 0-20 cm sampled every 10 cm, 20-80 cm sampled every 20 cm, and 80-140 cm sampled every 30 cm; monitoring cycle: once every 7 days; sampling period: May 2012 to September 2012; measurement methods: soil sampling drying method and TDR (Time Domain Reflectometry) measurement; number of sampling sites: 17.
5. Channel section flow: Sampling location: farmlands along the Shiqiao Wudou'er Agricultural Canal in Yingke Irrigation District. During each irrigation event in the farmlands, flow velocity, water level, and water temperature at different canal sections are measured, with time recorded and flow calculated; monitoring frequency: once every 3 hours until the irrigation ends; sampling period: May 2012 to September 2012; measurement method: Doppler ultrasonic flow velocity meter (HOH-L-01, China); number of measurement events: data from 4 irrigation events in Yingke.

搜集汇总

背景与挑战

背景概述

该数据集为2012年黑河流域盈科-大满地区的农业生态水文观测数据，主要包含玉米采样点的叶面积指数、地上部生物量以及土壤质地、容重、含水量和断面流量等多参数测量。数据来源于黑河计划重点基金项目，采样时间覆盖2012年5月至9月，采用多种标准化方法测量，样点数量从16到38个不等，适用于农业节水和生态水文效应研究。