Preface Part 1 Report on the Quality of Land Surface Observations in Region II (Asia) 1.1 Summary 1.2 Introduction 1.3 Monitored Data 1.4 Monitoring Methods 1.5 Monitoring Results 1.6 Possible Causes of Remarkable and Sustained Biases 1.7 Figures Part 2 Report on the Quality of Land Surface Observations in Region II (Asia) 2.1 Summary 2.2 Introduction 2.3 Monitored Data 2.4 Monitoring Methods 2.5 Monitoring Results 2.6 Possible Causes of Remarkable and Sustained Biases 2.7 Figures