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JECAM | Joint Experiment for Crop Assessment and Monitoring

China - Anhui

Project Overview

The mapping resolution is 1:50,000 scale.

Timeliness (with regards to growing season): in April to October.

The current project phase is research and operational pilot.

Crop identification and Crop Area Estimation

Crop biophysical parameters estimation


Project Reports

2015 Site Progress Report


Implementation Plans

In situ Data:


Site Description

Locations

Anhui Site (Chizhou)
Site Extent   Centroid: 30.8, 117.6
Top left: 31.066, 117.494 Bottom Right: 30.541, 117.746

Location

Topography

Crop calendar

Field size

Climate and weather

Photos of the Site:


Specific Project Objectives & Deliverables

Mapping Agricultural Areas:

Estimating Crop Areas; Statistical unit: country

Crop Growing Conditions Over the Growing Season: Temperature, Soil Moisture, Illumination, Meteorological hazards, etc.

Estimation of Biophysical Variables: NDVI, LAI, biomass, yield

Phenological Events

Integration of the EO-Derived Information Into Crop/Agro-Met Models

Forecasting Agricultural Variables from Crop/Agro-Met Models using near real time data.


In Situ Observations

  1. Parameter: crop height
    Data Collection Protocol:
    Frequency: about 3 times each crop year
  2. Parameter: LAI
    Data Collection Protocol:

    SunScan

    Frequency: about 3 times each crop year
  3. Parameter: crop type
    Data Collection Protocol:

    GPS

    Frequency: 2 times each crop year

EO Data Requirements

Approximate Start Date of Acquisition: April 1, Covers 2 cropping seasons
Approximate End Date of Acquisition: Oct 15
Spatial Resolution: 10m (min), 5m (preferred)
Temporal Frequency: 9 times total per year; Approximately once per growth stage; (Early Rice: Early April/Early May/Mid May/Late June/Mid July/Late July/Early Aug. /Early Sep./Early Oct.)
Latency of Data Delivery: Weekly
Wavelengths Required: G,R,NIR,SWIR
Across Swath: 25 km
Along Track: 30 km

SAR Data Requirements

Approximate Start Date of Acquisition: April 1, Covers 2 cropping seasons
Approximate End Date of Acquisition: October 15
Spatial Resolution: 10 m (min), 5 m (preferred), Requires higher resolution due to speckle
Temporal Frequency: 9 times total per year; Approximately once per growth stage; (Early Rice: Early April/Early May/Mid May/Late June/Mid July/Late July/Early Aug. /Early Sep./Early Oct.)
Latency of Data Delivery: weekly
Wavelengths Required: X, C and L
Polarization Dual (VV,VH) (min), Polarimetric (preferred)
Incidence Angle Restrictions: 25º to 45º
Across Track: 25 km
Along Track: 30 km

Locations

Anhui Site (Chizhou)

Centroid
Latitude: 30.8
Longitude: 117.6

Site Extent
Top left
Latitude: 31.066
Longitude: 117.6
Bottom Right
Latitude: 30.541
Longitude: 117.746


Optical Sensors

SPOT, IRS P6, ALOS, Rapideye, etc
Imaging Mode: Multi-spectral
Spatial Resolution: 5 – 10 m
Acquisition Frequency: 5 - times each crop year
Pre-Processing Level: 1
Application:

JECAM | Joint Experiment for Crop Assessment and Monitoring | Group on Earth Observation

©2013 Joint Experiment for Crop Assessment and Monitoring © HER MAJESTY THE QUEEN IN RIGHT OF CANADA SA MAJESTE LA REINE DU CHEF DU CANADA (2012)