Yes, there are lots of work on AQUACROP. Below are examples, including the description of the model. To meet your specific request, you can search for more articles.

All the best.

http://www.arpnjournals.com/jabs/research_papers/rp_2013/jabs_0213_532.pdf

http://hydro.sjziam.ac.cn/resources%5CEvaluation%20of%20the%20FAO%20AquaCrop%20model%20for%20winter%20wheat%20on%20the%20North%20China%20Plain%20under%20deficit%20irrigation%20from%20field%20experiment%20to%20regional%20yield%20simulation.pdf

revistas.inia.es/index.php/sjar/article/.../2435/1558

http://www.fao.org/nr/water/docs/aquacropchapter1.pdf

If you have the values for temperature, relative humidity, luminosity at least for 1 year, or more, for your region of interest the AquaCrop software can help you accurately.

Yes. AquaCrop model could be used at regional scale. There are a lot of publication concerning this topic. Attached is a list of literature for researchers used AquaCrop. you can search for many other articles related to your research line. Yet, you may need first to start by reading (FAO Irrigation & Drainage paper 66: Crop yield response to water).

Yes In India it is used by Dr. Ajai Singh, Assistant Professor in Soil and Water Conservation, Regional Research Station (OAZ), UBKV, Majhian, Patiram – 733133, Dakshin Dinajpur, West Bengal, India, E-mail: [email protected]/[email protected] to simulate the yield of wheat in West Bengal

If regional scale means implementing the model spatially then the answer is YES. 

Yes you can run the Aquacrop model spatially for regional scale applications. The model has a batch mode module which can be used for the purpose. But you need to do a lot of programming yourself. The way it can be done stepwise is:

(1) In a GIS environment

a. Define the bounds of your study area, projection etc.

b. Overlay a square grid over study area of size as per your choice of scale. The grid could be a 10x10m to 10x10 km scale

c. Identify each grid by a unique code

d. Generate required Meteorological parameters (ETo, Rianfall) for each day of the crop period for each of the grids

e. Generate cultivar characteristics for each grid or you may assume same for all grids.

f. Similarly generate parameters of soil, Management for  each of the grids

(2) Outside GIS

a. write a program code to run Aquacrop in batch mode for each of the grids, and selecting appropriate inputs for that grids - as Aquacrop inputs files

b. The output of Aquacrop should be read by the program code and written to file specific to each grid.

C. The outputs can be visualized in a GIS environment.

This way you may able to implement the model spatially and for regional scale application.

You may see a below mentioned paper describing such a methodology for another Crop model.

Vinay Sehgal

Article Improved regional yield prediction by crop growth monitoring...

If you can calibrate the crop parameter, you will entirely have no problem for running the model. It depends that what strategy such as deficit irrigation and salinity stress be used. Totally you can find crop parameters (like maize,wheat and etc) from previous researches.

Another interesting option is to use the AquaGIS tool developed by Lorite et al. 2013.They already linked AquaCrop to a GIS system, and developed a tool to handle all input and output files for each grid cell

http://www.sciencedirect.com/science/article/pii/S0168169913001300

In the webpage of AquaCrop (http://www.fao.org/nr/water/aquacrop.html) you could download the new version of AquaCrop (v.5) and the AquaCrop-GIS tool described in Lorite et al. (2013) and published in Computers and Electronics in Agriculture. Thank you!!

You can refered my PHD thesis. It's title"基于AquaCrop模型与多源遥感数据的北方冬小麦水分利用效率估算". You can contact me if you some questions. Goodluck!

Xiuliang Jin I am interested to read your PhD thesis..Is it in english?

We are now trying to do ش scientific research using this model (AquaCrop).

I would like to simulate the effect of different mulching (full plastic, ridge and furrow plastic mulch, straw mulch, partial plastic mulch and control) on soil moisture, root growth, crop growth and yield of maize. Which model should I use. Could you recommend me. Thanks in advance.

Yes, the MATLAB version.

Yea you can use AquaCrop...i myslef used it for rice

Omar Nour

good question for you

Yes u can... I have used for rice and wheat.

I use it now in my PhD study