1. INTRODUCTION  
1.1. Observing water in disks: the need for a synergy between space and ground data  

2.1. VLT-CRIRES spectra at 2.9 µm  
2.2. IRTF-iSHELL spectra at 5 µm  
2.3. VLT-VISIR spectra at 12.4 µm  
2.4. Gemini-TEXES spectra at 12.4 µm  

3. SAMPLE  
3.1. Wide multiple systems  

4. ANALYSIS  
4.1. \( H_2O \) line kinematics  
4.2. \( H_2O \) line detections and trends  
4.3. Water rotation diagrams  
4.4. Observed rotation diagrams and LTE slab fits  

5. DISCUSSION  
5.1. The picture emerging from spectrally-resolved data  
5.2. The emitting regions and excitation of \( H_2O \)  

6. SUMMARY & CONCLUSIONS