毕海芸

ISRSE35 会议报告

Subject: Your paper submission # 20130422-69, titled’ Crops sensitive factor in global warming research—Example: Central Inner Mongolia naked oats, buckwheat’

Dear haiyun Bi,

Thank you very much for your interest to attend the 35th International Symposium on Remote Sensing of Environment (ISRSE35). The ISRSE35 Technical Program Committee has completed the abstract review process and we are pleased to inform you that your paper listed above has been ACCEPTED FOR “Oral Presentation”. We invite you to present your studies at ISRSE35 and encourage you to include this accepted paper in the symposium proceedings. PLEASE NOTE that all presenting authors MUST finish the registration procedures before 25 February 2013 to secure a space in the technical program, otherwise, your presentation may not be considered. 

The ISRSE 35 Technical Program Committee

会议邀请函

Dear haiyun Bi,As you know, the 35th International Symposium on Remote Sensing of Environment will be held in Beijing from 22 to 26 April, 2013 at Beijing International Conventional Center. We warmly welcome all of you to this symposium, and would like to provide more detailed information about your presentation entitled “Crops Sensitive Factor in Global Warming Research - Example: Central Inner Mongolia Naked Oats, Buckwheat” with the following schedule:Session Title: 2-O-4  Crop Phenology Monitoring and Food Security Time and Date: 13:30 - 15:00, TUESDAY 23 APRIL 2013             Location: Room D on 1st floor               

Yours Sincerely, 

ISRSE35 Secretariat 

会议日程安排

报告照片

Crops sensitive factor in global warming researchExample: Central Inner Mongolia naked oats,

buckwheat

Haiyun Bi

2013-4-23

Beijing

Contents

• Introduction

• Study area and data description

• Sensitive analysis

• Conclusions and discussions

Contents

• Introduction

• Study area and data description

• Sensitive analysis

• Conclusions and discussion

1. Introduction

Global warming has more and more obvious affect to agriculture, environment, economy and other aspects which are closely connected to human society.

Contents

• Introduction

• Study area and data description

• Sensitive analysis

• Conclusions and discussion

2.1 Study area• Study area: Wuchuan County, Hohhot, Inner

Mongolia, China.

Inner Mongolia

Sensitive area to global warming;Typical arid farming land area;Elevation: 1500—2000m;Annual precipitation: 350mm;Annual temperature: 2.5°

Hohhot

Wuchuan County

Hohhot

2.2 Naked oats and buckwheat

Naked oats

Buckwheat

2.3 Data description

• Yield records of buckwheat and naked oats during 1961-2010 at Wuchuan County;

• Meteorological observations during 1961-2010;– maximum temperature, minimum temperature,

average temperature, precipitation, sunshine hours

Contents

• Introduction

• Study area and data description

• Sensitive analysis

• Conclusions and discussion

• Data source: Wuchuan County meteorological stations

3.1 Meteorological elements statistical analysis

Year

Maximum temperatureAverage temperature

Minimum temperature

Figure 1. Temporal variations of maximum temperature, minimum temperature and average temperature during the growing period from 1961 to 2010.

3.1 Meteorological elements statistical analysis

Figure 2 . Temporal variations of precipitation and sunshine hours during the growing period from 1961 to 2010.

Suns

hine

hou

rs (

h)

Prec

ipit

atio

n (m

m)

Sunshine hoursPrecipitation

Year

3.1 Meteorological elements statistical analysis

• The minimum temperature ， maximum temperature and average temperature increased in the past 50 years；

• The precipitation and sunshine hours fluctuated greatly and reduced in general during this period ；

3.2 Yields statistical analysis

Figure 3. Temporal variation of yields of naked oats and buckwheat in the past 50 years.

Year

Naked oatsBuckwheat

3.3 Sensitive analysis between yields and climatic elements

• Climat1: temperature is the first typical variable;• Climat2: precipitation is the first typical variable;

Correlation Naked oats Buckwheat Tmin Tavg Tmax Prec Sunshine

Climat1 -0.2646 -0.4497 0.6720 0.9687 0.8215 -0.3691  -

Climat2 0.2784 0.3114 0.4422 0.1283 -0.2385 0.9177  -Naked oats  -  - -0.1073 -0.3016 -0.3557 0.1356 -0.1232Buckwheat  -  - -0.0210 -0.3051 -0.4563 0.3216 0.0715Years -0.2721 -0.2039 0.6901 0.6093 0.3360 -0.1976 -0.19971961—1980 0.5014 0.8172  -  -  -  -  -1981—2010 -0.1520 -0.3012  -  -  -  -  -

3.3 Sensitive analysis between yields and climatic elements• Buckwheat and Naked oats are negatively correlated with the

maximum temperature, minimum temperature and average temperature. There is a significant negative correlation between the maximum temperature and the yield. The correlation of buckwheat is more significant than that of naked oats.

• Buckwheat and naked oats are positively correlated with the precipitation. The correlation of buckwheat is more significant than that of naked oats;

• The buckwheat is positively correlated with the sunshine hours while the naked oats is negatively correlated with the sunshine hours.

Contents

• Introduction

• Study area and data description

• Sensitive analysis

• Conclusions and discussion

4. Conclusions and discussion

• The correlation between the yields of buckwheat and the meteorological elements is more significant than that of naked oats.

• Temperature and precipitation are the main elements which affect yields of naked oats and buckwheat.

• The yields of naked oats and buckwheat show great sensitivity to climate change and global warming.